Thames & Kosmos

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

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...

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...

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

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

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...