Thames & Kosmos

How cool is it that the mainspring stores energy, then converts it to motion? Discover the physics of potential and kinetic energy and the inner wo...

It's time to get medieval on physics! Build ten sleek and updated models of catapults and crossbows. These classic siege weapons from the middle ag...

Look close with this kid-focused introductory microscope that magnifies objects up to 600 times! Check out pond water, plant leaves, hair, onions, ...

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

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

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

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 ...

As a medical study volunteer, you report to an eerily empty lab. Vapor rises from a test tube, and you feel dizzy. When you wake up, the door is lo...

Bring snow inside... any time of year, no matter where you live! Kids enjoy the magic of cool snow-based experiments and learn about weather along ...

Unicorns, clouds, and rainbows ... oh my! Make your own delicious, fun gummy shapes using a gelatin mixture: Pour it into the included mold and con...

Unleash your inner cyborg with the Mega Cyborg Hydro Blaster! This buildable, handheld water blaster and claw allows you to explore the world of hy...

Unlock microscopic wonders with the Thames & Kosmos Microscope! View prepared slides or prepare your own with the 45-piece accessory set. Use t...

Embark on a thrilling adventure through the streets and canals of Amsterdam in EXIT: The Hunt through Amsterdam! Join the search for a missing mast...

Spells, elixirs, magical powers: you thought your studies at the academy couldn’t get any more exciting. But when a gang of polterbolds — small, po...

Decode, encode, and communicate covertly with the Spy Labs: Secret Codes and Ciphers Tin. Packed in a sturdy metal tin, this kit includes a code wh...

Unleash your inner spy with Spy Labs: Secret Message Tools Tin! Exchange confidential messages using disappearing and reappearing ink that only yo...

Unleash your inner medieval engineer with the Catapult Engineering: 6-in-1 Maker Kit! Learn physics through playful experiments with authentic sieg...

Unleash your inner scientist and candy maker with the Dinosaur Gummy Candy Lab! Whip up tasty Triceratops, scrumptious Stegosaurus, and toothsome P...

Unleash your inner detective with Spy Labs' Forensic Investigation Kit. Uncover hidden secrets with UV light, fingerprint powder, pH test strips, a...

  Be a dragon master as you protect these winged creatures before they can unleash their fiery potential! With the help of the "magic book", choose...

Bring REX to life! Use the handheld controller to make this robotic T. rex move, light up, and make sounds. No app or extra gadgets needed - just a...

In this trick-taking card game, you and your fellow secret agents must work together to complete missions. But watch out - there's an insider among...

Discover the inner workings of the human body! Use the toy forceps to carefully remove the squishy organs, muscles, and bones from the clear body s...

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