Thames & Kosmos

Set up an aquarium for your own living sea creature pets! Prepare the salt water and then watch as small brine shrimp hatch from the included eggs,...

Erupt your own volcano again and again! Press down on the "lava lever" a few times and — WOW! The crater pops up and the slime lava flows down its ...

real geode specimens to reveal beautiful, sparkling crystals inside. Using your own hammer and the included safety goggles, crack open each whole g...

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

The robotic arm of the future is here! The segmented arm is driven by cables like the tendons in muscles, resulting in a mesmerizing motion reminis...

Whip up your own delicious space-shaped gummies and make a model of the solar system! As you prepare these yummy treats, you’ll investigate the che...

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

Explore the future of transportation with RoboRails! This compact robot balances on a single wheel and glides along a monorail track thanks to its ...

Can you identify an unknown liquid or powder? What secrets become visible under a UV light? How do you analyze fingerprints, soil, ink, and handwri...

Do you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the p...

Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marb...

The essential accessory for covert missions and recon! This handy watch offers a variety of functions to help you investigate your cases. In addit...

Get growing and glowing! Make your own awesome glowing terrarium with real plants. Use the included cress seeds and growing containers to create yo...