Thames & Kosmos

Fly into physics fun with five awesome models driven by a rubber band powered propeller. Using ultralight plastic and bamboo parts, build a helicopter, airboat, airplane, fan car, and hydrofoil. Learn how the elastic material stores energy and then rele

With the 172 building pieces in this kit, you can assemble a real robot that looks like a cute hedgehog. This unique pet has a built-in sound sensor and is programmed to react to your claps. Clap once, and your hedgehog curls up into a ball and rolls over

Going up! Build a mighty robotic bug that defies gravity to crawl up, down, and all around windows with ease! This motorized, multi-legged machine uses an ingenious system of suction cups to walk on smooth vertical surfaces like windows and glossy panels.

Build unique robots that are powered by the sun — batteries not required! Using a compact solar panel these cool little bots harness energy from the sun to power an electric motor to get moving Build a drummer robot that marches along beating a drum an ar

Grow a variety of dazzling, colorful crystals using safe, non-toxic crystal salts.
Make a crystal volcano on a paper cone, watch long spindly crystals form on a rock, grow crystals in a petri dish and on a string!
Experiment with different chemicals to

It’s time to have some yummy gummy fun with this awesome bubble gum making kit! Mix up your gum base and then sweeten it with sugar. Next, use the three included flavors to make your gum more delicious than ever. Choose from watermelon, orange, and classi

Unicorns, Clouds & Rainbows!

Unicorns, clouds, and rainbows … oh my! Make your own delicious, fun gummy shapes using a gelatin mixture: Pour it into the included mold and concoct a spectrum of flavors and colors to personalize your unicorn, cloud, and

Hey, Gummy Scientists!

Gross new shapes, delicious new flavors! Mold your own gummy worms and spiders using a natural gelatin-like ingredient called carrageenan that comes from seaweed. Flavor and sweeten your mixture with mixed berry and green apple