This LEGO Gadgets Building Kit contains 58 LEGO elements -- all the bricks needed to build 11 different machines:

• Claw


• Catapult


• Spin-o-vision


• Ghost guzzler


• Rollin' rex


• Flywheel cruiser


• Personal fan


• Mix master


• Micro movie maker


• Robo-boxer


• Gravity drop cruiser

You build these machines, test them out, and then figure out how to improve them. What a great gift for a budding engineer!