For a Halloween-themed mix of hands-on science and spooky presentation, I’d start with the Alritz Science Potion Kit as the best overall pick, while the National Geographic Gross Science Kit with 45 Experiments stands out for variety and the Gummy Candy Kit for edible fun. These kits differ in more than their themes: some focus on dramatic potion play, others on gross-out experiments or making candy. The tradeoff is often breadth versus a focused activity, along with whether you want edible results or classic science demonstrations. Age guidance, adult help, setup, and cleanup can also shape how well a kit fits your plans. Read on for the full breakdown and a guide to choosing the right kind of spooky science.
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Key Takeaways
- Alritz is the most balanced Halloween-themed pick: its potion-and-cauldron format gives the science activities a clear seasonal identity, while the lineup also includes kits with broader experiment counts.
- The two National Geographic gross science options serve different priorities: the 45-experiment set emphasizes activity variety, while the other is a more focused gross-science alternative.
- Candy-making kits are the clearest choice for an edible activity: the pumpkin, bat, and ghost gummy set has a Halloween-shaped result, while the worms-and-spiders lab leans into a gross-out theme.
- Presentation and science breadth are not the same thing: potion and wizard kits deliver magical framing, while the gross science sets place more emphasis on a range of experiments.
- Age fit and adult involvement deserve a check before buying: several kits specify ages 8–12 or 8+, and the mix-and-drink format calls for particular attention to directions and ingredient handling.
| Alritz Science Potion Kits with Cauldron for Kids Ages 8+ |  | Best Overall for Halloween Potion Play | Brand: Alritz | Age range: 8 years and up | Bottles included: 23 magic mix bottles | VIEW LATEST PRICE | See Our Full Breakdown |
| Gummy Candy Kit – Pumpkins, Bats & Ghosts |  | Best Edible Halloween Chemistry Activity | Brand: Thames & Kosmos | Listed age range: 0–5 years | Theme: Halloween | VIEW LATEST PRICE | See Our Full Breakdown |
| National Geographic Gross Science Kit Chemistry Toy for Ages 8-12 |  | Best for Short, Gross Science Sessions | Brand: Blue Marble | Sub-brand: National Geographic | Age range: 8 years and up | VIEW LATEST PRICE | See Our Full Breakdown |
| Playz Disgusting and Gross Science Experiments Kit for Kids Age 8-12 |  | Best for Hands-On Variety | Brand: Playz | Age range: 8–12 years | Theme: Biology | VIEW LATEST PRICE | See Our Full Breakdown |
| National Geographic Gross Science Kit with 45 Experiments for Kids 8-12 |  | Best for Maximum Experiment Variety | Brand: Blue Marble | Sub-brand: National Geographic | Age range: 8 years and up | VIEW LATEST PRICE | See Our Full Breakdown |
| Gross Gummy Candy Lab – Worms & Spiders | Experiment Set |  | Best for Edible Halloween Chemistry | Brand: Thames & Kosmos | Recommended age: 6+ | Set name: Gross Gummy Candy Lab (V 2.0) | VIEW LATEST PRICE | See Our Full Breakdown |
| Wizard Potion Science Kit – Mix & Drink 5 Magical Concoctions |  | Best for Potion-Themed Halloween Parties | Brand: Thames & Kosmos | Recommended age: 8+ years | Set name: Five Magical Potions | VIEW LATEST PRICE | See Our Full Breakdown |
| Halloween chemistry experiment kit | Brand | Model number | Age range |
|---|---|---|---|
| Alritz Science Potion Kits wit | Alritz | Science-potions-001 | 8 years and up |
| Gummy Candy Kit | Thames & Kosmos | — | — |
| National Geographic Gross Scie | Blue Marble | NGSCIGRS | 8 years and up |
| Playz Disgusting and Gross Sci | Playz | — | 8–12 years |
| National Geographic Gross Scie | Blue Marble | NGMEGAGRS | 8 years and up |
| Gross Gummy Candy Lab | Thames & Kosmos | 550060 | — |
| Wizard Potion Science Kit | Thames & Kosmos | 550050 | — |
More Details on Our Top Picks
Alritz Science Potion Kits with Cauldron for Kids Ages 8+
The Alritz kit is my strongest pick for a Halloween activity that feels like potion-making while still introducing simple reactions. Its 23 bottles, cauldron, measuring tools, and more than 20 recipes give kids plenty to handle and repeat, unlike the Thames & Kosmos Gummy Candy Kit, which focuses on making one kind of edible treat. A storage box and drop-resistant bottles also help keep the many small pieces together between sessions.
The tradeoff is that this broad accessory set can feel busy, especially for younger children who need help following recipes and organizing materials. Its spiders, butterflies, and wizard hats lean into pretend play more than the National Geographic Gross Science Kit’s body-themed experiments. I’d choose Alritz for a classic cauldron-and-potions setup, not for children who want a tightly focused science activity or dislike theatrical props.
Pros:- More than 20 recipes offer variety across multiple potion-making sessions.
- Cauldron, measuring tools, and 23 bottles create a complete pretend-lab setup.
- Drop-resistant bottles and a storage box support repeated use and tidier storage.
- Designed for ages 8 and up and described as meeting U.S. toy safety standards.
Cons:- The many accessories and recipe steps may require adult help to keep younger users organized.
- Fake insects, butterflies, and wizard hats may not suit children who prefer a less theatrical science kit.
- The potion theme is less suited to buyers looking for a focused, edible experiment like the Gummy Candy Kit.
Best for: Families with children age 8 and up who want a reusable, Halloween-themed potion activity with several recipes and adult-child participation.
Not ideal for: Buyers seeking a compact, low-prep activity or children who prefer realistic science experiments over fantasy props and themed accessories.
- Brand:Alritz
- Age range:8 years and up
- Bottles included:23 magic mix bottles
- Recipes:Over 20 potion recipes
- Included components:Cauldron, bottles, plates, measuring cups, stirring sticks, instruction manual, stickers, experiment materials, colorants, fake spiders, fake butterflies, and paper wizard hats
- Storage:Storage box
- Warranty:1 year
- Model number:Science-potions-001
Our verdict“Choose Alritz for a well-stocked Halloween potion session with lots of themed pieces, provided an adult can help manage the setup.”
Gummy Candy Kit – Pumpkins, Bats & Ghosts
This Thames & Kosmos kit takes a more food-focused route than the Alritz Science Potion Kit: kids make pumpkin, bat, and ghost gummies rather than pretend brews. Measuring ingredients and watching them become shaped candy gives the Halloween theme a tangible result, and the listed kit includes ingredients and tools for making 48 gummies. Natural colors and flavors also make the finished treats part of the activity, whether children share them or eat them at home.
That focus is also its limit. Unlike National Geographic’s Gross Science Kit, it does not offer a mix of different chemistry demonstrations or a broad set of follow-up projects; the activity centers on gummy-making and its Halloween shapes. The supplied age range is listed as 0–5 years, but the product information also says adult supervision may be needed, so I would not treat that label as a reason to leave young children unattended. Pick it for a guided kitchen activity, not an open-ended lab kit.
Pros:- Makes up to 48 Halloween-shaped gummies in pumpkins, bats, and ghosts.
- Combines measuring and candy-making for an accessible hands-on STEM activity.
- Uses natural colors and flavors, according to the product description.
- Compact listed dimensions make it easier to store than the larger Playz kit.
Cons:- The activity is centered on gummy candy rather than a broad range of chemistry experiments.
- Halloween shapes limit its seasonal appeal compared with the Alritz kit’s reusable potion theme.
- The listed 0–5 age range is broad, and adult supervision may be needed during preparation.
Best for: Adults planning a supervised Halloween kitchen activity for young children who enjoy measuring, making candy, and sharing edible results.
Not ideal for: Families wanting several different chemistry experiments, a kit for older independent children, or activities that avoid food preparation.
- Brand:Thames & Kosmos
- Listed age range:0–5 years
- Theme:Halloween
- Gummy yield:48 gummies
- Shapes:Pumpkins, bats, and ghosts
- Ingredients and tools:Included, according to the product description
- Item dimensions:6.1 x 1.8 x 8.3 inches
- Manufacturer part number:550072
Our verdict“Choose this kit for a supervised, edible Halloween activity with young children, rather than for a varied chemistry lab.”
National Geographic Gross Science Kit Chemistry Toy for Ages 8-12
This National Geographic kit suits kids who want Halloween-adjacent ick without committing to a sprawling experiment collection. Its six hands-on activities include popping blood cells, boiling boogers, and dissecting a brain, with a bonus guide adding ten projects that use household items. Compared with the larger National Geographic Gross Science Kit with 45 experiments, this one has a clearer, smaller core set; that can make it easier to choose a session and manage the kit’s footprint.
The tradeoff is less included variety: the bonus activities rely on common household materials, while the larger National Geographic set lists 45 kit experiments and 30 additional projects. Its gross body-science theme is also a narrower fit than Alritz’s fantasy potions, and some parents may find the mess off-putting. I’d favor this option for a focused session with an 8+ child, but not for families seeking the longest supply of experiments from one box.
Pros:- Six distinctive gross-themed experiments offer a clear starting set.
- Bonus guide adds ten activities using common household items.
- Compact listed dimensions and 1.2-pound listed weight are easier to store than a larger experiment collection.
- Ages 8 and up provides a more specific starting point than the gummy kit’s broad 0–5 listing.
Cons:- The included core set is smaller than the National Geographic kit with 45 experiments.
- The bodily-function and dissection themes will not appeal to every child or caregiver.
- The activities may involve mess, which can add cleanup to a short science session.
Best for: Families with children age 8 and up who want a compact set of a few memorable, gross-themed chemistry activities plus household-material follow-ups.
Not ideal for: Buyers seeking dozens of experiments supplied in one kit, or children and adults who dislike messy or body-themed activities.
- Brand:Blue Marble
- Sub-brand:National Geographic
- Age range:8 years and up
- Core experiments:6
- Bonus experiments:10 using common household items
- Item dimensions:7.67 x 2.79 x 10.51 inches
- Item weight:1.2 pounds
- Model number:NGSCIGRS
Our verdict“Pick this kit for a compact, gross-out science session with a modest core experiment set and extra household-material ideas.”
Playz Disgusting and Gross Science Experiments Kit for Kids Age 8-12
The Playz kit is the broad, tool-heavy choice for children who want to move between gross slime and biology activities rather than repeat a single style of experiment. The product lists more than 34 tools and ingredients, giving it a wider hands-on feel than the six core experiments in the National Geographic Gross Science Kit. Easy-to-follow instructions are intended to help kids work through activities, while the biology theme gives the Halloween gross-out angle a different emphasis from Alritz’s make-believe potions.
That variety comes with practical tradeoffs. Its square, shallow package may hold a lot of components, but the product description warns that some activities can be messy and need adult supervision. Safety detail is limited in the supplied information, so caregivers should review the instructions before letting children work independently. I’d choose Playz over the smaller National Geographic set when range matters most; skip it if a tidy, clearly specified activity is the priority.
Pros:- More than 34 tools and ingredients support a varied set of activities.
- Includes both gross slime and biology experiments, unlike the gummy kit’s candy-making focus.
- Instructions are described as easy to follow for kids and teens.
- Age range is specified as 8–12 years.
Cons:- Some experiments may be messy, particularly for younger children.
- The available product information gives limited detail about safety precautions.
- Adult supervision is recommended for some activities, limiting independent use.
Best for: Caregivers of children ages 8–12 who want a collection of slime and biology activities with many tools and ingredients for hands-on exploration.
Not ideal for: Families prioritizing low-mess projects, detailed safety information before purchase, or a small number of tightly defined experiments.
- Brand:Playz
- Age range:8–12 years
- Theme:Biology
- Tools and ingredients:Over 34
- Activity types:Gross slime and biology experiments
- Instructions:Easy-to-follow instructions, according to the product description
- Item dimensions:10.59 x 10.59 x 2.6 inches
- ASIN:B07C5T54DC
Our verdict“Choose Playz when you want a broad, hands-on gross-science kit and can supervise activities and cleanup.”
National Geographic Gross Science Kit with 45 Experiments for Kids 8-12
For families who want the most activity options in this group, this National Geographic kit has the clearest case: 45 gross experiments plus 30 bonus household-item projects. Its listed topics include polymers, chemical reactions, and pH science, so the gross-out theme is paired with several kinds of chemistry rather than only one seasonal effect. That scale sets it apart from the smaller National Geographic Gross Science Kit, which lists six core experiments and ten household-material activities.
More projects do not automatically mean an easier session. The product information flags cleanup and adult supervision, and a large activity count can mean more planning than the gummy kit’s single candy-making format. Its age guidance starts at 8, so younger Halloween party guests are not the intended audience. I’d pick this for an older child who likes a continuing supply of experiments; for a short, contained activity, the smaller National Geographic kit is the simpler fit.
Pros:- Lists 45 experiments plus 30 additional projects using household items.
- Covers polymers, chemical reactions, and pH science.
- Illustrated, kid-friendly instructions are designed to make setup easier.
- Offers substantially more listed activities than the six-experiment National Geographic kit.
Cons:- Messy materials can make cleanup a significant part of the activity.
- Some projects require adult supervision.
- The 8+ age guidance makes it a poor match for younger children.
Best for: Families with children age 8 and up who want a long-running gross-science kit spanning chemistry topics and are prepared to supervise and clean up.
Not ideal for: Buyers seeking one quick, low-mess Halloween activity, a kit for preschool-age children, or a compact edible project.
- Brand:Blue Marble
- Sub-brand:National Geographic
- Age range:8 years and up
- Experiments:45
- Bonus projects:30 using household items
- Educational objective:STEM
- Listed science topics:Polymers, chemical reactions, and pH science
- Model number:NGMEGAGRS
- Manufacturer part number:NGMEGAGRS
Our verdict“Choose this National Geographic set for an older child who wants many gross chemistry projects and has an adult available for supervision and cleanup.”
Gross Gummy Candy Lab – Worms & Spiders | Experiment Set
For a Halloween activity that ends with a treat, I’d choose the Gross Gummy Candy Lab. Kids mix gummy ingredients, measure additions, and use the included tray to make worm- and spider-shaped candies, giving the chemistry a tangible payoff. The kit also introduces natural polymers through candy-making, a more focused lesson than the broader experiment mix in the National Geographic Gross Science Kit with 45 Experiments. Four mix packets, citric acid, storage bags, and stickers support several batches and sharing, though the available flavors and shapes are fixed. Compared with the drinkable recipes in the Wizard Potion Science Kit, this pick is centered on making and keeping a snack rather than brewing themed concoctions. Younger children may need adult help with measuring and preparation, and gummy texture is a matter of taste.
Pros:- Connects candy-making steps to chemistry and natural polymers
- Includes gummy mix, citric acid, a molding tray, and storage bags
- Creepy worm and spider shapes suit Halloween-themed activities
- Stickers add a simple way to label or decorate finished treats
Cons:- The included flavors and mold shapes limit customization
- Younger children may need adult help with measuring and preparation
- The gummy texture may not appeal to every child
Best for: Families with children aged 6 and up who want a hands-on Halloween activity that combines basic measuring and candy-making with edible results.
Not ideal for: Buyers seeking many different experiments, flexible flavors, or a kit suitable for children to prepare without adult supervision.
- Brand:Thames & Kosmos
- Recommended age:6+
- Set name:Gross Gummy Candy Lab (V 2.0)
- Gummy mix:4 packets: 2 purple and 2 green
- Other included ingredients:1 packet of citric acid
- Mold:Plastic molding tray
- Storage and decoration:4 plastic storage bags and a sticker sheet
- Model number:550060
Our verdict“Choose this kit for younger candy fans who want a focused Halloween chemistry activity with edible results rather than a wide-ranging experiment set.”
Wizard Potion Science Kit – Mix & Drink 5 Magical Concoctions
I’d put the Wizard Potion Science Kit ahead of candy-making kits when the goal is a themed group activity: children prepare five edible potions using a cauldron, flasks, and a wand that doubles as a mixing rod and measuring spoon. The recipes introduce reactions, polymers, solutions, and density, so the play has several science ideas to talk through. Its storybook and wizard props give it more narrative structure than the Gross Gummy Candy Lab, which focuses on making one kind of treat. That wider potion theme also asks for an older audience: the stated age is 8+, compared with 6+ for the gummy kit. The main limitation is recipe variety; once the five concoctions are made, there are no additional recipes listed. It suits a planned party or lesson better than repeat open-ended experimentation.
Pros:- Five edible potion recipes make the results part of the activity
- Introduces reactions, polymers, solutions, and density
- Includes a cauldron, three flasks, a beaker, and a wand-style measuring tool
- Storybook and themed accessories add structure for parties or classroom use
Cons:- Only five recipes are included, limiting repeat-play variety
- The 8+ age guidance makes it less suitable for younger children than the Gross Gummy Candy Lab
- Its themed potion format is narrower than broad gross-science experiment kits
Best for: Hosts and educators planning a potion-themed activity for children aged 8 and up who enjoy edible experiments and guided storytelling.
Not ideal for: Families with younger children or buyers who want a large collection of repeatable experiments and many recipe variations.
- Brand:Thames & Kosmos
- Recommended age:8+ years
- Set name:Five Magical Potions
- Recipes:5 magical potion recipes
- Edible ingredients:8 packets
- Included vessels:Plastic cauldron, 3 clear plastic flasks, and a plastic beaker
- Mixing and measuring tool:Wizard’s wand (mixing rod/measuring spoon)
- Other included item:Manual and storybook
- Model number:550050
Our verdict“Pick this for an older-child Halloween party or lesson where themed, drinkable experiments matter more than a large range of recipes.”
How We Picked
I compared these seven Halloween chemistry experiment kits by how clearly each connects its theme to the activity, how much variety it offers, and what kind of payoff it promises: potion play, gross science, or edible candy-making. I also weighed the stated age range and the practical differences between mixing activities, repeatable experiments, and food projects. Those details matter because a kit that looks spooky on the box may suit a very different child or family setup than a kit designed to make candy.
The ranking favors kits with a clear fit for Halloween and a distinctive reason to choose them, while still accounting for breadth and usability. The Alritz potion set earns the best-overall position for its direct seasonal presentation; the National Geographic 45-experiment kit stands out for activity count, and the gummy kits serve buyers who want edible results. More narrowly themed wizard and gross-science sets rank lower for broad appeal, not because their themes lack charm, but because they address more specific preferences.
| Halloween chemistry experiment kit | Brand |
|---|---|
| Alritz Science Potion Kits wit | Alritz |
| Gummy Candy Kit | Thames & Kosmos |
| National Geographic Gross Scie | Blue Marble |
| Playz Disgusting and Gross Sci | Playz |
| National Geographic Gross Scie | Blue Marble |
| Gross Gummy Candy Lab | Thames & Kosmos |
| Wizard Potion Science Kit | Thames & Kosmos |
Factors to Consider When Choosing Halloween Chemistry Experiment Kits
Before choosing a kit, I’d match the kind of activity to the occasion. A party station, a quiet afternoon project, and a candy-making activity have different needs, even when all three fit a Halloween theme.
Choose the Activity Format Before the Theme
Start by deciding whether the child wants to mix potions, explore gross-out science, or make something edible. These formats create different expectations: a potion set may emphasize theatrical mixing, while an experiment kit may offer more varied demonstrations. Candy labs bring a tangible treat, but food preparation adds ingredient, allergy, and kitchen considerations. A common mistake is buying for the Halloween artwork alone and discovering that the activity itself does not match the child’s interests. For a group, choose a format that works for the number of participants and the available workspace. For one child, a more focused kit can be a better fit than a larger assortment of activities they may not finish.
Match Age Guidance to Readiness, Not Just the Label
Age ranges are a starting point, not a promise that every child can manage the kit independently. Consider comfort with following multi-step directions, measuring or combining materials, and waiting for an activity to finish. Adult help may be needed for setup, reading instructions, or keeping a shared workspace organized, even when the child is within the stated age range. Younger siblings at a Halloween gathering can change the supervision needs, particularly around small parts or food ingredients. Read the kit’s directions and contents before the event rather than assuming that a science-themed activity is ready to hand over. If independent play is the priority, favor clear instructions and a straightforward activity over a more elaborate theme.
Decide Whether Edible Results Are a Feature or a Complication
Gummy-making kits can make the activity feel like both a science project and a treat, but that combination is not right for every household. Check ingredient information for allergies, dietary restrictions, and family preferences before buying; a candy result is less useful if participants cannot eat it. Food projects also call for clean preparation surfaces and careful separation from non-food experiment materials. A non-edible kit may be easier to use at a party where children have different food needs or where cleanup time is limited. If the edible result is the main draw, plan around kitchen access and serving hygiene. Think through whether the finished candy will be eaten, shared, or simply used as part of the Halloween activity.
Weigh Experiment Count Against Activity Depth
A larger number of listed experiments can provide more options, but it does not automatically mean each activity is more involved or memorable. Check whether the child prefers switching between short demonstrations or spending longer on one themed project. Broad sets may suit a family looking for activities across several days, while a focused kit can work better for a party with a clear start and finish. Also check what supplies are included and what household items may be needed; a long list of experiments can require more preparation than the count suggests. Avoid choosing solely by the biggest number on the package. The better fit is the kit whose activity style matches the time, attention, and setup you can provide.
Plan for Space, Cleanup, and Group Use
Halloween activities often happen amid costumes, snacks, and guests, so the work area matters as much as the theme. Potion mixing and gross science can involve several small steps or materials, while candy preparation may need access to a clean kitchen surface. Before buying, think about whether you have a washable table, room to lay out instructions, and time to reset between participants. A kit intended for one child may not provide enough materials for a whole party, so check the included quantities rather than assuming it is a group activity. For a classroom or gathering, a simple station format can reduce bottlenecks. If space or cleanup is tight, choose a kit with a manageable scope instead of the most elaborate-looking option.
Frequently Asked Questions
Which Halloween chemistry kit is the best fit for a child who wants to make candy?
I’d look first at the two gummy candy options, since both center the activity on making themed sweets rather than non-edible demonstrations. The Gummy Candy Kit is the more overtly Halloween-shaped choice, with pumpkins, bats, and ghosts, while the Gross Gummy Candy Lab uses worms and spiders for a more squirmy theme. Before choosing, check the ingredient details and consider allergies or dietary restrictions. Also plan for kitchen-style preparation and a clean surface, since candy-making has different practical needs from a tabletop science activity.
Are these kits suitable for a Halloween party with several children?
They can work as party activities, but the product name alone does not tell you how many children can participate at once. Check the included materials and instructions for quantities, then decide whether children can share stations or will need separate supplies. A potion or gross-science activity may be easier to run as a supervised demonstration when materials are limited. Candy-making can be engaging, but it adds food handling and allergy checks to the party plan. If the group is large, prepare a small-group rotation and a backup activity rather than expecting one kit to serve everyone at the same time.
Should I choose the National Geographic kit with 45 experiments over the other gross science kit?
Choose the 45-experiment set if the number of activity options is your main priority and you want material for more than one session. The other National Geographic Gross Science Kit may suit a buyer seeking a gross-science theme without making the larger experiment count the deciding factor. A high count does not tell you how long each activity takes or how much setup it needs, so review the instructions and contents before deciding. Think about whether the child enjoys sampling many short activities or would rather focus on a smaller set. Your available time and workspace may matter more than the difference in listed experiment count.
Do potion-themed kits teach science, or are they mainly pretend play?
Potion styling can make mixing activities feel imaginative, but the theme alone does not show how much explanation or experimentation a kit includes. Check whether the instructions describe what children are observing and encourage them to follow steps, compare results, or ask questions. The Alritz potion kit and Wizard Potion Science Kit appeal to magical presentation, while the gross-science options put the science theme in a different setting. Children who mainly want theatrical play may be happy with a potion-focused format; those seeking a broader set of experiments should compare the activity lists. Adult discussion can also help connect a dramatic result to the steps that produced it.
What should I check before buying a kit for a child younger than eight?
Several kits in this roundup state an age range beginning at eight, so I would not treat them as automatically suitable for younger children. Read the manufacturer’s age guidance, the directions, and any cautions about small parts or materials before making a choice. A younger child may enjoy watching or helping with a supervised activity, but that is different from using the kit independently. Consider attention span, ability to follow steps, and whether an adult can stay present throughout. If the kit’s guidance does not fit the child, choose an age-appropriate activity rather than relying on the Halloween theme to make it suitable.
Conclusion
For the best overall Halloween fit, I’d choose the Alritz Science Potion Kit for its cauldron-and-potion presentation. The best value in activity breadth is the National Geographic Gross Science Kit with 45 Experiments, especially for children who want more options to explore. For a beginner drawn to spooky mixing, the Alritz kit is the clearest starting point; for a child who wants a more specific magical-drink theme, the Wizard Potion Science Kit fills that role. The best pick for edible results is the Gummy Candy Kit with pumpkins, bats, and ghosts, while the Gross Gummy Candy Lab suits kids who prefer worms-and-spiders gross-out fun. I’d choose the other National Geographic kit or the Playz Gross Science Kit when the child’s main interest is messy, funny science rather than candy or potion presentation.
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