$20 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...

Investigate physics using technology from medieval times! Build six sleek, updated models of catapults, trebuchets, and other medieval launchers. T...

Dueling Stomp Rocket Get ready for head-to-head rocket-launching action with the Dueling Stomp Rocket! Challenge a friend to see whose rocket can s...

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 ...

Get in the ring for learning about hydraulics with this set of 2 boxing bots! Future engineers will enjoy the focused work of this challenging 327-...

Explore the science of making food with 52 delicious recipes designed for kids, from healthy homemade snacks to scrumptious main dishes and mind-bo...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

Help outdoor play reach new heights - maybe even the exosphere?! - with this 100% kid-powered Stomp Rocket. Kids have a blast (pun intended) as the...

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...

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

Stomp Rocket Launcher Get ready for high-flying outdoor fun with the Stomp Rocket Launcher! Kids can run, jump, and stomp to send soft foam rockets...