Amazon.com: LEGO: The Adventures of Clutch Powers : Ryan McPartlin, Yvonne Strahovski, Paul Michael Glaser, Roger Rose, Jeff Bennett, Gregg Berger, Stephan Cox, Alex Desert, Chris Hardwick, Chris Emerson, Richard Doyle, John
Lego: The Adventures Of Clutch Powers (DVD) - Walmart.com
technic - What's the purpose of the clutch gear in Power Functions set? - Bricks
Lego Clutch and Crank System : 3 Steps - Instructables