16+

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...

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...

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