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Enriching, science-based learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results! These popular science kits and STEM toys contain all you need to share exciting discoveries with the ones you love most.

With a healthy dose of enthusiasm and the right project, your little scientist will have an unforgettable experience. KiwiCo offers popular science kits that give curious adventurers the ability to tinker, test, and try out their theories! Science can be fun, and that's a theory that can be proven with just the right experiment.

Enriching, science-based learning needs to have a few of these key elements: curious minds, hands-on projects, quality materials, and fun results! These popular science kits and STEM toys contain all you need to share exciting discoveries with the ones you love most.With a healthy dose of enthusiasm and the right project, your little scientist will have an unforgettable experience. KiwiCo offers popular science kits that give curious adventurers the ability to tinker, test, and try out their theories! Science can be fun, and that's a theory that can be proven with just the right experiment.

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Bubbling Cauldron

Mix together a witchy brew using citric acid and colored baking soda, use the pump to add water, then watch your cauldron bubble and boil in a creepy chemical reaction!

Planet Bath Bombs

Mix together citric acid, baking soda, cornstarch, and food coloring to make a variety of colorful bath bomb powders. Use a set of molds to shape the powders into multi-layered bath bombs inspired by the layers of the Earth. Then drop your bath bombs into the water to see a frothy, fizzy chemical reaction!

Electronics (3-Pack)

Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!

Light-Up Speaker

Explore the science of sound by building an amplification circuit to power your own personal light-up speaker.

Spin Art Machine

Make a spin art machine and experiment with centrifugal forces!

Colorful Chemistry

Learn about the scientific method, then put together a bubbly chemical reaction in your own fab chemistry lab. Try other color mixing experiments, make some colorful art, and learn about everyday chemical reactions. 

Crates can be purchased individually or you can buy a whole pack for the whole session.

Chalkboard & Glow Slime

Stretch your chemistry and doodling muscles by creating a set of two kinds of slime with this hands-on glow in the dark slime kit.

Innovation Factory

Chemistry (3-Pack)

Ignite a passion for science with 3 complete chemistry lab kits. With Electrochemistry, you'll complete 2 experiments and engineer a clock that runs on just saltwater and strips of metal. With Glow Lab, you’ll receive a UV light and mix up 3 glowing solutions. With Vortex Lab, you'll build a magnetic mixing machine and explore 4 amazing reactions. Recommended for Ages 14+. 
Delivery note: The Chemistry Pack is only eligible for Ground Shipping within the Contiguous United States. This pack will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).

Glowing Nature

Explore nature with a glow-in-the-dark mushroom, firefly sock puppet, and a wiggling jellyfish race game.
 
Everything needed, from materials to illustrated directions, is included, along with imagine!, a bonus play & learn magazine for kids with additional activities and puzzles.

Automaton

Engineer a hand-cranked, wooden automaton that makes a marble climb stairs. Explore the gears and cams that make the mechanics work.

Animal Bath Bombs

Learn about acid-base reactions and the science of molecules while mixing up a colorful chemical concoction, then press the mixture into bath-bomb shape. Drop your finished bath bombs into water to see fizzy chemical reactions — in action!

Crystal Chemistry Garden

Craft a colorful chemis-tree and garden using felt shapes and liquid watercolors. Then concoct a chemical solution that'll make your garden grow fun and funky crystals over two days, and learn the science behind them!

Glowing Horn Unicorn Costume

Build a unicorn costume with a majestic mane, a noble snout, and a horn that lights up!

Young Chemist (2-Pack)

Ignite a passion for science at an early age and save when purchased as a pack. Recommended for Ages 5+.

Geometric Laser Projector

Construct a variable speed laser projector, capable of producing a variety of different geometric patterns.

Poured Paintings

Learn how primary colors can be used to make all the colors of the rainbow, and how complementary and analogous colors work together. Then use what your newfound color knowhow to craft a couple of abstract poured paintings.

Solar System

Create your own solar system mobile, complete with a light-up sun in the center.

Slime Party (5-Pack)

With this 5-pack of projects, you'll concoct oozy, fizzy volcano slime; glittery confetti slime; color-changing thermochromic slime; circuit-perfect conductive slime; doodle-able chalkboard slime; and some bonus glow-in-the-dark slime!

Rainbows

Create a scene against a rainbow of colors in a stained glass work of art!

Crystal Ombre Soap Making

Craft and customize two kinds of colorful, crystal-inspired soaps. Explore mineral science, colorful ombre geodes, and chemical reactions.
 
Requires microwave

Slime Circuits

Engineer a basic circuit, using your slime as a conductor to light up an LED (and a love of science!). Then conduct a series of electric experiments that showcase the science of switches, resistance, LED color-mixing, and more!

Speedy Race Cars

Create a custom speedy race car and use black washi tape to create a speedway on any surface.

Glow Lab

Explore UV light and mix up 3 solutions that glow in the dark. Explore the chemistry of fluorescence, phosphorescence, and chemiluminescence. 
Delivery note: This item will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).

Basketball Catapult

Aim, shoot, and score with this physics-friendly crate! Engineer an adjustable catapult and play a spirited game of basketball. Learn about the science of sports, and experiment with different angles and arcs until you're a hoop superstar.

Chomping Mechanical Dinosaur Costume

Build a big green dinosaur costume with matching dino claws. Rawr!

Volcano Slime

Mix together chemical solutions to make your own fizzy, oozy slime that "erupts" like a volcano! A hands-on way to explore kid-friendly chemistry, acids and bases, and the science of polymers.

Robot Sewable Circuit

Explore wearable technology, conductivity, and the science of sewable circuits! Sew up a soft, flexible circuit using conductive thread, add LEDs, then craft a robot keychain whose eyes light up when you touch its hand to its belly. Ready to glow?

Unicorn Sewable Circuit

Sew up a circuit using flexible conductive thread, then craft a unicorn keychain whose horn lights up when you touch its tail to its hoof.

Light-Up Lantern

Puzzle together the pieces of an LED-powered lantern, fit for any budding explorer. Sharpen your spatial reasoning skills while crafting with wood, foam, and fabric.

Vortex Lab

Build a magnetic mixing machine and explore 4 amazing reactions that explore the science of solubility, reaction speed, and oxidation-reduction. 
Delivery note: Vortex Lab is only eligible for Ground Shipping within the Contiguous United States. This item will ship separately from any other items in your order. Your entire order only qualifies for Standard Shipping (delivered within 3-10 business days).

KiwiCo's popular science kits and STEM toys give curious adventurers the ability to tinker, test, and try out their theories!

KiwiCo, Inc.

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Crystal Chemistry Garden

Best-Selling Science Kits & STEM Toys