Motion & Mechanics

Best Sellers

Schools and Groups

Outdoor

Grades 3-5

Grades 6-8

Engineering & Technology

Summer Camp

Mechanical Engineering

Show S&G

Science & Engineering 

School Break Activities 

Marble Roller Coaster

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?

Electronics

9-12

KiwiCo Packs

Grades K-2

Engineering & Technology_

Big Gifts

Fan Favorite Bundles

Lots of Bots! Robotics Bundle (3-Pack)

Get ready to rock out with robotics — with this bundle pack of our most beloved ’bots! Play with mechanical motion as you engineer a walking robot, get hands-on with switches as you create and customize a slithering snake robot, and discover domino design with a domino robot you build yourself.

Chemistry

Cooking

Outdoor toys for kids 

Science Gifts for Boys and Girls 

Visible on category when OOS

Visible on search when OOS

Holiday Gifts

Vox 

Active

Product Finder

Non-Toy Gifts

Unique Christmas Gifts for Kids

Easter Gifts for Kids

Fundraiser

Physical Science

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!

Flex & Fly Plane Launcher

Bend, launch, and glide into the physics of flight! Build a launch lever that will send planes soaring, then put together a spring-powered runway for high-speed takeoff.

Life & Environmental Sciences

English Language Arts

Chain Reaction Workshop

Engineer your own awesome moving machines! Sturdy materials, moving mechanisms, and your imagination combine to create epic chain reactions.

Geeky Gifts

Building Toy Kit Gifts 

Corporate Gifting

Boys & Girls Clubs

STEM Toys 

DIY Science Kits

Electrical Engineering

EPIC

Animal Lovers

home science kits

educore

STEM in Motion

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.

Fun & Games

Tinker

Start with this Crate

Labs 9-12

Show club PDP treatment

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!

Art & Design

Back to School

Maker Space

Walking Robot

Build a walking robot and experiment with mechanical motion!

Art & Creativity

Grades Pre-K

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.

Pretend Play

Mathematics

Space & Astronaut Toys for Kids

Professions 

Unusual Gifts For Kids

Award Winning Toys 

Earth & Space Science_

Professions in Training

Labs 6-9

Earth & Space Science

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.

Animals & Nature

STEM Toys For 5 Year Olds 

STEM Toys For 6 Year Olds 

STEM Toys for 7 Year Olds 

STEM Toys for 8 Year Olds 

Imaginative Toys 

Gifts For Smart Kids

Life & Environmental Sciences_

Kindergarten

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.

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!

Sale

Racing

Adult Kits

Christmas Gifts for Tweens

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?

Gross Motor Play

Splash Blasters

Have a blast — with two piston-powered splash blasters you build yourself! Construct a pump tube to suck up water, then press the plunger to spray your friends. Water you waiting for?

Gift Guide

Math

Art & Design_

Wooden Toys

Arts & Music

Social Emotional Learning

Pendulum Art Machine

Discover the science of swing — with a pendulum-powered art machine you build yourself! Swing the platform, release the pen, and watch amazing automatic art unfold before your eyes. Experiment with switching up the speed of your pendulum’s swing, adding weight to the platform, adjusting the positions of the ropes, and more — and make bold new geometric designs every time! Then learn how to transform your finished spiral art into a variety of giftable (or keepable!) creations — from greeting cards to shrink-plastic keychains. Ready to get into the swing of things?

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.

Club Exclusive (hide individual purchase option)

Science & Creativity

Motorized Spin Art

Power up your own spin art studio and get creative!

DIY Gifts

Valentine's

Craft Kits for Kids

Materials & Supplies

Craft & Carry Supply Station

Oodles of crafting essentials inside — just add imagination! Discover over 1,000 craft-ready pieces safely tucked away in a snap-together storage box.

Environment

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!

For Your Room

Levitating Lantern

Create & Innovate

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.

Color and Light

Science Experiment Kits

STEM Kits 

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!

Civil Engineer Starter Kit

Raise the roof — and discover STEM learning — with this civil engineer project kit for kids! Build a bridge that’s held together with just friction and gravity. Practice, play, and explore to learn the tools of the trade — and kick off a career in engineering!

Geologist Starter Kit

Ready to dig into geology? Build a pom-pom volcano and split open two real geodes to reveal the sparkly crystals inside.

Stuffed Animals

Sensory Toys

Toddler

Early Childhood

Froggie Dissection Lab

Open Froggie up, then use a pair of kid-friendly tweezers to explore the major internal organs that you and Froggie have in common — heart, lungs, stomach, and more. Then play a diagnosis game to figure out why Froggie isn't feeling well.

Ultimate Clay Set (5-Pack)

Shape and sculpt your own artwork with the Ultimate Clay Set!

Travel Packs

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?

Holiday

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!

Halloween

Construction Excavator Costume

Step into the driver’s seat of your favorite construction vehicle with this mechanical costume that really moves! Build and control your very own excavator digging arm, then attach it to a box from home to complete your costume. Finish off your excavation exploration by learning about the science of levers and how they make your excavator work! Ready to dig in?

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.

Project & Book Gift Sets

Window Garden Book Set

Grades 9-12

Artistic Teens

Light-Up Projects 

Light-Up Wire Art

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

Hide limited stock banner

Hello, Science! Book Set

What do seeds, atoms, cells, and stars have in common?

Oil + Water Chemistry Book Bundle

Discover why oil and water don’t mix and the science behind it with this book and crate bundle!

Geography & Culture

Which Way Home?

How do animals know which way to go? Tag along with Andre as he travels with wildebeests, butterflies, and whales to figure out how to get home.

Self-Scoring Basketball Hoop

Why count your own baskets when you can build a mini basketball hoop that counts for you? Engineer a counting clockwork mechanism for an over-the-door mini basketball hoop, pump up the three included basketballs, then start shooting!

Drawing

Valentine's Day Cards

Make a set of Valentine's Day cards that really pop — with this pop-up card-making kit! Comes complete with everything you need to make 27 craftastic cards.

Social Emotional Learning_

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.

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?

Sprout

Eggsperiments

Educational, engaging, and eggstremely fun! Use the scientific method with a series of egg-based experiments that explore chemistry, physics, and biology.

Panda Crate

Sprout: Koala Crate

Labs: Kiwi Crate

World: Atlas Crate

Studio: Doodle Crate

Labs: Tinker Crate

Studio: Maker Crate

Labs: Eureka Crate

Seriously fun discovery foryoung explorers

Most popular for ages 6–9:

Every month, make
something awesome

Ages 3–6

Ages 6–9

Ages 6–12

Ages 9–12

Ages 9–12

Shop individual crates
for ages 6–9

Build creative confidence through play

Discover new interests

Hands-on fun

Spark curiosity

Ready to go

Seriously fun discovery foryoung explorers

Most popular for ages 6–9:

Every month, make something awesome

Ages 3–6

Ages 6–9

Ages 6–12

Ages 9–12

Ages 9–12

Burst graphicShop individual crates for ages 6–9

Build creative confidence through play

Discover new interests

Hands-on fun

Spark curiosity

Ready to go

Every month, make
something awesome

Shop individual crates
for ages 6–9