Thames & Kosmos

Catapult Engineering: 6-In-1 Maker Kit

Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. These classic siege weapons from the middle ages also...

Chemistreats! Candy+Chemistry

Candy and chemistry collide in ChemisTreats! Learn simple chemistry lessons while making sweet treats. Each of these five beakers contains one candy-making science experiment. Mold...

Dinosaur Gummy Candy Lab

Tasty Triceratops! Scrumptious Stegosaurus! Toothsome Pterodactyl! Whip up your own delicious dinosaur-shaped gummies! As you prepare these yummy treats, you’ll investigate the chemistry...

Dodo

Oh, you silly bird! The Dodo has laid an egg, but … oh no! She accidentally pushed it out of her nest and it is tumbling toward the edge of the cliff. Can you save the egg before it falls into...

Geared-Up Gadgets

Build five fun gadgets and learn about gears and transmissions. Create a helicopter model with a rotor that spins using a rubber band-powered motor. Assemble a spinner toy that you wind up to launch...

Gecko Run: Loop Expansion Pack

With the Gecko Run: Loop Expansion Pack, you can bring even more speed, action, and experimental fun to your Gecko Run marble run. How much speed does the marble need to race perfectly...

Gecko Run: Marble Run Starter Set

Move over boring marble runs, there's a new kit in town! Witness physics in action with this innovative, flexible system of tracks. Thanks to nano pads (safe little strong suction cups), any vertical...

Gecko Run: Trampoline Expansion Pack

Get hopping with the Gecko Run: Trampoline Expansion Pack! Can you position the trampoline so that the marble flies really far? Can you even bounce it downward, or catapult it up to a...

Gecko Run: Twister Expansion Pack

With the Gecko Run: Twister Expansion Pack, you can give your marbles a real spin. This not only brings extra fun to your Gecko Run marble run, but also makes the laws of physics visible...

Groovy Glowing Candy Lab

Peace, love, and yum! Everything you need to make the grooviest, glow-in-the-dark gummies and glowing ice cubes. Safe and natural ingredients, like riboflavin and vitamin B2, cause a cool chemical...

Gross Gummy Candy Lab: Worms And Spiders

Would you like a green apple worm or a mixed berry spider? Make sure you answer yes, because kids love learning the science of this gelatinous, seaweed-based ingredient. They'll flavor, sweeten, mold...

I Dig It! Dinos Dino Egg

A surprise treasure: each excavation block is blind-packed and holds one of 12 possible mineral or fossil specimens—chisel away to find out which one! Ideal for collectors:...