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Domino Machine

What could be cooler than a domino run? Well, how about a robot that sets up the dominoes for you! With this crate you can build your own robot, then use it to help lay out amazing domino runs!

Color and Light

DIY Gifts

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Gifts For Smart Kids

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Mechanical Engineering

Electrical Engineering

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Christmas Gifts for Tweens

Light-Up Projects 

Easter Gifts for Kids

Kinetic Light-Up Speaker

Make some noise with this light-up speaker — complete with foam balls that bounce to the beat! Assemble the base, then build the speaker’s circuit from scratch in order to connect the lights with the sounds. Get hands on with transistors, resistors, capacitors, and other key components — all while learning about the role each piece plays.

Outdoor

Outdoor toys for kids 

STEM Toys for 7 Year Olds 

STEM Toys for 8 Year Olds 

Imaginative Toys 

Featured

Racing

EDU Featured

Kindergarten

Fishing Game

Catch yourself a big one with this fishing game! Build your own fully-functional DIY fishing rod, complete with a ratchet-controlled reel. Then store your stuff in a tackle box that you decorate yourself (with cool stickers)! Ready to cast off?

Chemistry

Cooking

Science Gifts for Boys and Girls 

Summer Camp

Vox 

Science of Cooking: Ice Cream

Dig into kid-friendly recipes for ice cream and sorbet — made using just the tools in this DIY ice cream kit and some ingredients from home!

Pretend Play

Pre-K

Math

Sensory Toys

Montessori Toys for Kids

Toddler

STEM Toys For 5 Year Olds 

STEM Toys For 6 Year Olds 

Wooden Toys

Montessori Toys for 2 Year Olds 

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EPIC

Baking and Fractions

Dig into pretend play — with a hearty helping of math on the side! All you need to cook up some creativity is this solid wood baking set for kids, complete with baking ingredients, spoons, and more!

STEAM Gifts

Science

Technology

Engineering

Spring Projects

Bubble Machine

Explore bubble chemistry, and how the construction and physics behind your machine helps bubbles form. Experiment with different wand positions and bubble formulas to make bigger, better bubbles, and practice noting your observations like scientists do! Then take a stab at more at-home explorations, from concocting your own super bubble mix, to building a pipe-cleaner bubble wand, to practicing bubble tricks.

Art & Creativity

Gifts under $20

Valentine's

Maker Space

Arts

Overstock

Easter Gifts Under $10

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! 
One project can make 3-6 unique bath bombs.

Animals & Nature

Life Sciences

STEM Kits 

Environment

Show in add-on test

Window Garden

Learn about plant science in a hands-on way, by assembling your own suction-cup window planters and growing a set of green bean and squash plants. Learn to take care of your plants, identify new plant parts as they sprout, and make yummy dishes using fruit and other plant parts!

Giant Bubbles

Discover science that’s unbelie-bubbly fun — with a pair of bubble wands you make yourself!  Make a giant bubble wand and a customizable string wand toy, stir up a special bubble mix, then learn tips and tricks for creating beautiful bubbles!

Professions 

Marine Biologist Starter Kit

Explore the wonderful world of marine biology with this starter kit! Sculpt a coral reef out of clay that changes color in hot water — just like real reefs do. Water you waiting for? Dive in!

Crawling Robot

Take the next step in your engineering adventures with a crawling robot you build yourself! Then learn about the incredible engineering behind other real-life robots that walk just like yours. Ready? Legs get to it!

New Arrivals

Color Projector Lamp

Liquid light shows and engineering meet with a groovy color projector lamp you build yourself!

Back to School

Walking Robot

Build a walking robot and experiment with mechanical motion!

Roller Coaster Physics: Ferris Wheel

Become a thrill engineer and build twisty, turny roller coasters. Construct a mechanical Ferris wheel that lifts marbles to the top. Ready to build a rad ride of your own?

Art & Design

Science Experiment Kits

Corporate Gifting

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.

Split on Export

Marble Run + Art Easel

Explore engineering with a marble run gameboard, complete with 35 track pieces and spinners to build all sorts of marble-ous machines. Then turn your gameboard into an artist's studio with a reversible chalkboard / whiteboard panel and built-in paint cups and art tray to help your imagination soar. 
Dimensions: 21" L x 25" W x 38" H 
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). 
Marble Run comes as a finished product, not a DIY building kit.

Kiwi

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Pinball Machine

Design the board, launch, and play, all while discovering pinball game physics! 
 
Everything needed, from materials to illustrated directions, is included, along with imagine!, a bonus play & learn magazine for kids.

Fort Builder Kit

Build a cave, a clubhouse, a castle, or anything else you can dream up with this endless fort building kit — perfect for architects-in-the-making.

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!

Montessori Toys for Babies

Baby 

Montessori Toys for 1 Year Olds

Music

Rainbow Ball Run

Sharpen your little one’s looking and listening skills with this colorful ball run, complete with a set of towers that sound melodies when the ball bounces on them. Challenge your baby to find new ways to play!

Animal Lovers

Remote-Controlled Snake Robot

Slither into the world of robotics by building a remote-controlled snake robot! Assemble and wire the electronics that drive the robot, and customize it by adding a decorative skin.

Levitating Lantern

Adult Kits

Record Racer

Zoom through turns, dodge obstacles, and put the pedal to the metal with a mechanical toy racing game you engineer yourself! Ready to discover a need for speed — and a love of STEM?

Educational Dinosaur Toys for Kids

Educational Dinosaur Toys 

Paleontologist Starter Kit

Discover the ins-and-outs of a career in prehistoric exploration with this excavation toy for kids! Use tools to dig up bones, then assemble them into a dinosaur skeleton display!

Craft Kits for Kids

Artistic Teens

Light-Up Wire Art

Build two custom electronic art pieces with EL wire. Choose from five existing templates, or create your own from scratch.

Jumping Robot

Take a leap into engineering with this jumping robot! Along the way, learn how the physics of potential and kinetic energy puts the spring in the robot’s step. Ready to hop to it?

KiwiCo Packs

Young Chemist (3-Pack)

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

Hydraulic Claw

Construct your own lifting claw and learn how hydraulic systems work. Continue the experimentation with bonus design challenges.

Eureka

Electric Pencil Sharpener

Sharpen some pencils — and your engineering knowhow — with a pencil sharpener you built yourself!

Chemistry (4-Pack)

Ignite a passion for science with 4 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 Fire Lab, you’ll create a colorful flame lamp and complete 7 combustion experiments. 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).

Cannonball Launcher

Build a launcher that uses elastic power to shoot foam cannonballs. Contains everything you need to build a working launcher and matching mount.

Chemistry Play Lab

Set up your own science lab with this kit for kids! Try some experiments, and learn about science! You get all the gear you need, plus a guide with step-by-step instructions for 11 fun experiments to explore!

Stereo Headphones

Build the headphone headband, rig up the speaker drivers, and experiment with stereo sound. Explore how speakers and other electroacoustic transducers turn electricity into sound, then learn about the historical technologies that made modern headsets possible.

Robots and Coding

Build and decorate your own friendly robot buddy. Create a robot rabbit with a customizable track to run along. Write programs to solve puzzles and send your robot along a path.

Veterinarian Starter Kit

Check up on a favorite stuffed animal with a stethoscope, syringe, and other handy vet tools. Explore animal anatomy by assembling organ and muscle systems. Play a "find the fracture" game using an x-ray lightbox and a set of animal cards. Learn to read cat and dog body language, and how vets understand animals when they can't talk.

Geography

Space & Astronaut Toys for Kids

Professions Starter Kit (3-Pack)

Discover three of the coolest careers around with this crate bundle packed with hands-on learning!

Social Emotional Learning

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. One project can make 3 unique soaps.

Astronomy

Astronaut Starter Kit

Build and launch a pair of model orbiter spaceships using the power of pumps. Paint a set of model planets, then construct a miniature solar system that really spins. Explore the ins-and-outs of space travel — from the history of space exploration, to the challenges of astronaut training, to amazing facts about life on the International Space Station.

Pretend Play + Early Math Bundle (2-Pack)

Farmers Market

Travel Packs

Stocking Stuffers

Drawing

Monster Mix & Match Art Pack

Trace pairs of stencils to customize a monster body, then rub colored pencils over texture cards to color in your monsters. Top it all off by adding stickers, or drawing your own finishing touches, to bring your monster friends to life. 
Monster Mix & Match Art Pack comes as a finished product, not a DIY building kit.

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).

Holiday

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Christmas Candle Carousel

Paper Dolls

Become a doll designer as you mix and match patterns, add buttons, bedazzle with jewels, and color hair.

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.

Supplies

Rainbow Air-Dry Clay

Shape anything you can imagine with this soft modeling clay! Mix and match six bright colors, plus black and white. Preserve your artwork by simply letting the clay dry — no oven needed!

Ice Skating Rink

Learn to tinker with gears and rig up a motor, then decorate a unique winter wonderland scene complete with festive characters. Turn the motor on to make the gears rotate, then watch your snowman, penguin, and gingerbread man spin around and "skate" on the ice!

Santa's Sleigh Automaton

Help Santa and his reindeer soar through the night sky by engineering a hand-cranked automaton. Learn about cranks, cams, and rotary motion while designing a wintry nighttime scene.

Little Tree

Make and decorate a kid-sized Christmas tree! Wrap fluffy pipe cleaners around the wooden "trunk" to make branches, then trim the mini tree with the included beads, bells, and tree skirt.

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