Science

Turn this light-up UFO jar into a space terrarium that is out of this world!  Your complete set includes; ready-to-grow crystals, crystal powder, s...

Build six awesome bots that move without any batteries or electricity. The secret behind these fascinating machines is one of the oldest power sour...

Build and experiment with dozens of roller coaster models to make learning the physics of force, motion, and energy as fun as a day at the amusemen...

Think of this as an analogue robot. Wood and string combine to make a precision grabbing device. The builder controls the bot with levers and str...

Robbie is the "new and improved" version of the Smart Bot. Robbie has 50 programmable mode actions, robotic sound, controlled with hand signals, bu...

Mix up a rainbow of mouth-wateringly delicious lip balms and lip glosses. Experiment with a vibrant spectrum of colors and flavors to create your o...

Make a Rube Goldburg-like contraption to fling objects with abandon. This kit has everything from hydraulics to propellers. Boing! Fling! Wow! 

Build five fun gadgets and learn about gears and transmissions. Create a helicopter model with a rotor that spins using a rubber band-powered motor...

Wood and hydraulics combine into a robotic kit that can be built in a hour. Everything you need to build is included: Precut wood pieces, plastic...