Thames & Kosmos

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...

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...

Gather your family for two fun, cooperative escape room games featuring five brave superhero animals. Think outside the box as you work together to...

Master the art of illusion and amaze friends and family with 150 impressive magic tricks! A 96-page instruction manual with color photographs illus...

Discover how water powers the world with this hands-on science kit. Build a waterwheel, sawmill, and hydroelectric power station while learning abo...

Build and experiment with a working wind turbine. Adjust the rotor blades to optimize performance, light up an LED, and charge a model car with sto...

Say hello to the most adorable vacuum you've ever seen! Future robotics engineers build their own cleaning friend using the illustrated instruction...

Perfect for curious kids who love deep dives into specific topics, this educational "Earth" book takes readers on a choose-your-own learning advent...

Expand your Gecko Run marble run with the Flex-Corner expansion pack! With the ability to tackle corners, edges, and obstacles, quickly change dire...

Transform rough stones into stunning polished gems with the Thames & Kosmos Rock Tumbler. This user-friendly machine lets young geologists disc...

Explore hidden corners, confined spaces, and underwater environments with this flexible digital spy scope built for young investigators and amateur...

Discover a cool new word game that combines skill, luck, and speed into a clever, family-friendly game that's sure to be an instant classic! Each p...

Launch marbles at lightning speed with the Rapid-Fire Launcher—fire up to five at once with a single button press! Watch them race down your track ...