Science

Enroll in Chem C1000 and prepare for a lifetime of fascination with this essential science through more than 125 diverse experiments. Start with an...

Car nuts and engineers of all ages, gear up for an epic automotive adventure! Build your very own model race car from the inside out. As you snap e...

Who can you trust to guard your precious coins? Your loyal coin-eating dragon, that’s who! It turns out, the world’s coolest piggy bank is actually...

Build five out-of-this-world robots that are powered by the sun — batteries not required! First assemble the main robot, Helio, complete with solar...

The future of energy engineering begins at home. With this kit, kids can construct and experiment with a model house that demonstrates various aspe...

The impact of mechanical engineering is all around us. This broad, dynamic field encompasses the design, development, and testing of basically anyt...

Build a loyal robotic reptile buddy that responds to your gestures, changes colors, and automatically fires and retracts its tongue! This first-of-...

Let the treasure hunting begin! Use the Thames & Kosmos Metal Detector to detect metal objects — like gold, silver, iron, copper, and more — th...

Build a sleek, modern (and adorable!) walking robot powered by salt water and magnesium — no batteries required! Discover how a metal-air electroch...

Build a lightning-fast race car powered by nothing but air — no batteries or electric motor required! Use the sleek, integrated pump to compress ai...

Tasty Triceratops! Scrumptious Stegosaurus! Toothsome Pterodactyl! Whip up your own delicious dinosaur-shaped gummies! As you prepare these yummy t...

Read the fun story of two young engineers, Ty and Karlie Omega, and build simple models of the aircraft they discover on their hilarious family vac...

Read the funny story of two inquisitive kids, Ty and Karlie, and build simple, non-motorized models of the robots they construct and fix during the...

The sweetest pinball machine ever! Build a pinball machine that uses edible gumballs as the pinballs. First, follow the step-by-step instructions t...

Open your ears, Hero hears everything! Through its three directional microphones, this robot perceives and reacts to sounds. Have fun with Hero’s f...

Explore hydraulics, mechanics, and robotics with a buildable, handheld water blaster and claw! Using over 180 plastic pieces, assemble this awesome...

Travel deep into the microscopic realm! With this high-quality student microscope, Thames & Kosmos unlocks wonders of the world that are too sm...

Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. T...

Almost everyone has heard of a chemistry set. But until this ground-breaking kit was introduced, a physics set was almost unheard of. Physics is an...

Choo choo! TrainBots coming through! All aboard! Put on your engineer’s cap and build your own steampunk-style train robot with amazing steam effec...

Build, code, and play — with mighty REX! Assemble your own robotic model of the giant, powerful, ferocious Tyrannosaurus rex. Use the handheld cont...

Soaring spires, towering arches, fascinatingly complex curves and angles! Build your foundation in architectural design with this fascinating STEM ...

Leave the cold outside and bring the joy of the snow indoors! Using the large, colorful plastic base station, dozens of fun tools, and super-expand...

Ever dreamed of having a vending machine in your room? With this engineering kit, you can build and experiment with your own toy vending machine. F...

Explore the future of advanced computing technology with KAI — short for Kosmos Artificial Intelligence! Build and program an intelligent, six-legg...

Turn your bedroom into your very own planetarium theater! Illuminate a darkened room by casting projections of the stars in the night sky and space...

An apple that defies gravity and walks a tightrope — what would Isaac Newton have thought? Build a cute apple robot that walks along a tightrope. H...

Looking for a fun and educational activity about solar power? This sleek, compact race car harnesses the energy from the sun to power an electric m...

Have a blast with this awesome engineering project! Construct an air-powered robotic glove that launches safe foam darts. Learn about pneumatics — ...

Harness the power of air and water to make things move! Build water-rocket cars, jet-propelled boats, a water gun, and even a lawn sprinkler. Learn...

Astronomical Telescope with 100x Magnification, Finderscope, Compass, Aluminum Tabletop Tripod, and Instruction Manual Set your sights on the Moon ...

This timeless scientific instrument has been reimagined in a fresh, new design. Experiment with the gyroscope to learn about the physics of motion,...

Gears make things move! Join Ty and Karlie — the young engineers featured in the other Kids First early engineering kits — to build four awesome ge...

Grab your tools, it’s time to get building! Learn how to use tools and build your own workbench with this introductory mechanical engineering kit f...

Build a powerful robotic bulldozer and sleek handheld wireless controller. Then use the controller to command your robot to move around in all dire...

Time after time, experience shows that learning by manipulating physical objects with one’s own hands — learning by doing things firsthand, rather ...

Discover how fascinating the world is when you understand the remarkable reactions behind ordinary occurrences. CHEM C2000 includes everything in C...

Knock, knock, knocking on wooden floors — this wacky walking ReBot is pieced together from a tennis racket, hammer, and the rear wheels of a tricyc...

Spring into action! This jumping robot is made from the tracks of an old snowmobile, a waffle iron, and some rubber bands. Fast and easy to build ...

Ready to shred! A few clicks and Halfpipe is ready to cruise through your room on its skateboard base, using an umbrella and broom to propel itself...

Robots ahoy! This crawling robot is cobbled together from two halves of an old pirate ship’s wheel, and scoots along the floor on a repurposed iron...

Physics Pro is the biggest, most advanced physics kit. With this kit, you can continue your study of statics and dynamics and begin your study of m...

Learn about the human body by doing experiments with your five senses that show you how your body works. By exploring the external aspects of your ...

Step right up and try your luck! Do you have what it takes to grab a claw-full of candy with the Candy Claw Machine? Experiment to develop your mot...

Build an awesome, nine-inch-diameter, rolling robotic sphere and six other robot models. Drive your robots using the remote-control interface in th...

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusemen...

Build a motorized robot, race car, and countdown timer — all that run without any batteries or electrical power! The secret behind these fascinatin...