Thames & Kosmos

Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the mov...

Help shy children build confidence and public speaking skills through the power of magic! Perfect for any budding magician, this set includes 35 im...

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...

Help little stargazers and future NASA astronauts explore the moon's surface with an entry-level telescope! This award-winning STEAM toy features a...

Turn any room into a planetarium for astronomers in training! Give them sweet dreams of travel through space: this projector displays either a rota...

Become a fingerprint detective with this complete investigation kit. Dust surfaces with safe, non-toxic black powder to reveal hidden prints, then ...

Embark on an exciting treasure hunt with the Thames & Kosmos Metal Detector! This intuitive device uncovers buried metal treasures—gold, silver...

For candy loving scientists, here's a fun way to experiment with physics in action! A step-by-step illustrated instruction manual guides clever kid...

Design your own gumball machine with endless creative possibilities! Arrange the pieces in unique configurations, crank the handle, and test your e...

Encourage future astronomers to explore our solar system in a delicious way: making gummy lollipop planets! As they prepare these yummy treats, you...

Unearth prehistoric fun with this exciting dino egg excavation kit! Each blind-packed egg hides one of 12 unique plastic dinosaur figures waiting t...

Included in TIME's Best Inventions of 2024 list! Move over boring marble runs, there's a new kit in town. Witness physics in action with this innov...

If you're raising a future James Bond or Sherlock Holmes, your young secret agent needs the high-tech help of a secret voice recorder. Spies strap ...

Curious kids experiment with strength and stability, building 20 models that demonstrate mechanical physics or structural engineering principles. T...

If you're raising a future Sherlock Holmes, your young detective needs all the tools of the trade. Help them crack the case on any mystery with thi...

Expand your Gecko Run with the Loop Expansion Pack! Add thrilling loops, jumps, and speed challenges to your marble run. This pack includes a loop ...

Welcome to the fascinating world of mechanical engineering! Make 8 motorized robots that move in different ways while exploring how each one uses g...

Discover the physics of motion with this reimagined classic. Spin, balance, and experiment with gyroscopic forces—on a tabletop, stand, or string. ...

What's cooler than building a bot? Building 8 of 'em! A 48-page, full-color book guides the assembly, and a compact solar panel gives them power. T...

Celebrate Earth Day and the beauty of spring by building a gorgeous solar flower! This STEM kit guides ages 8+ through assembling a sapphire blue r...

Supercharge your marble adventures with the Speed-Kick expansion pack! Launch marbles up inclines with turbocharged velocity or strategically block...

Watch your marbles defy expectations with the Gecko Run Spinners Expansion Pack! These dynamic wheels spin independently or work together to create...

Move over boring marble runs, there's a new kit in town! Witness physics in action with an innovative, flexible system of tracks that includes ever...

Curious kids build a loyal robotic reptile buddy that responds to gestures, changes colors, and automatically fires and retracts its tongue! This c...