I was tempted to use a bicycle image, but then I remembered that I had bought some Action Wobble Springs. Thought it would much more fun to have a moving element. Unfortunately you can't capture the movement with a photo. The spring pops up the element and if you give a flick with you finger it wobbles.
Come on over to CASology and join in the fun.
PS.I apologise for the photo not being clear - I'm having trouble with my new mac. Even though I'm doing exactly what I was doing with my last one, I lose clarity when I reduce the size.