$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...

Build your very own vending machine! With this engineering kit, you build a toy vending machine that sorts coins, dispenses candy or other small pr...

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

Roll the die – place a ladder – catch the moon!Climb through the clouds and reach for the moon! All it takes is a few cleverly placed ladders, a st...

Chemistry C500 takes you on an introductory tour of chemistry with 28 classic experiments. Learn about reactions between solids, liquids, and gases...

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...

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

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 ...

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...

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-...

Meet Andy, the pre-assembled robot that teaches coding basics to kids ages 4 and up! Through fun, tile-based games and challenges, early learners l...

With this well-rounded introductory science kit, kids don’t have to just pretend to be scientists — they can actually be scientists! Jump-start the...

This is one science experiment you can eat! Get ready for fun, as you measure, mix and boil sugar, watching it turn into hard candy. Kit includes 2...

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

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

Volcanoes erupt with earth-shattering power! Build this giant, foot-tall model from plaster and cardboard and watch flowing red 'lava' spew from it...

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...

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

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

Finally, an adorable robot! When kids assemble the 172 pieces, they won't realize they're learning about gears, motors, and sound sensors. They wil...

Who said chemistry is boring? How about creating an underwater volcano or a rainbow in a test tube? This amazing lab is the real deal, with cards f...

Google "orrery" because you'll be building one, winding it up, then watching planets orbit the sun at their own speed! Explore gear mechanics as yo...

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 ...