Popular Science Kits & STEM Toys

Engineer a model bird and experiment with gear-driven wings!

Shop for advanced electronics favorites and save when purchased as a pack. Qualifies for free shipping!

Personalize the butterfly wings set with felt stickers and velvet ribbon before flying away!

Build a big green dinosaur costume with matching dino claws. Rawr!

Build a light-up UFO that you can wear around your head, complete with a fetching pair of alien glasses.

Puzzle together the pieces of an LED-powered lantern, fit for any budding explorer. Sharpen your spatial reasoning skills while crafting with wood, foam, and fabric.

Engineer a paper airplane launcher, and take flight with physics! Build a runway, then rig it up with battery-powered motors to send your airplanes soaring. Learn about the history of flight, and how the forces of lift and thrust make it possible. Ready for takeoff?

Build a glowing campfire, cook up tasty treats, and make a beary fun backpack!

Design the board, launch, and play, all while discovering pinball game physics!

Build a working catapult, "dragon" wagon, and a royal castle to explore medieval times!