LEGO Gravity Rollers: A Fun Contraption That Propels Itself! Fantastic STEM project for kids.
17 Amazingly Resourceful Things People Have Made with Lego
Table Tennis Table
Gunbuster 2 Mech by MacLane, via Flickr
I think this is the most realistic LEGO version of the Hulkbuster I've seen so far
Super Chub (articulated feet)
第20章：「レゴ（LEGO）人型可動素体 カトウ(仮)」です。 - DSK3の事後報告
PimpMyBricks : Photo
Good idea to hold the boy's touch while its charging!
A working LEGO clockwork heart, including instructions for how to build it.