Could you please move the topic to the appropriate forum ? I'd appreciate

Yes, I used sketchyphysics. Sorry for th wrong forum.

Hi,
I'm totally beginner in sketchup. During a classess at my university I have to prepare a working model of handcar.

Here's my model http://speedy.sh/EvAK9/drezyna7.skp
It looks quite good but I have no idea how to onnect the handle with rachets.
Any kind of help would be appreciated.

Cheers