Colossus Lets Your Kids Move 20 Tons of Boulders

Colossus, built by Zachary Coffin for the Maker Faire Bay Area (previously at Burning Man 2005), is a 70-foot tall structure that let kids move 40,000 lb of boulders.

Scott Beale of Laughing Squid took the video clip below of Colossus in action.