It uses micro pieces. Here is the final product.
The front grey rod prevents the dog from over-rotating and jumping the chain. The weight of the other pieces keep the dog in a down position so it always catches the chain. No pieces have to be modified to make this.
Start with these.
make this
then add this
Slide 2nd grey rod through all the holes and put spacers on the end.
Put clips in holes in car (only non-micro parts)
Press spacers into clips
Voila!
Edited by ForgotToGrowUp, 11 March 2013 - 10:29 AM.
fixed typo