$25 to $50

Future engineers build a lightning-fast race car powered by nothing but air... no batteries or electric motor required! Curious kids get hands-on w...

Unlock a passion for discovery with 29 engaging experiments across five essential science domains: nature, physics, chemistry, air, and water. Youn...

Help outdoor play reach new heights - maybe even the exosphere?! - with this 100% kid-powered Stomp Rocket. From the award-winning Stomp Rocket fam...

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...