This weekend I found some shop time and built something for my boys ( 7 and 2.5 year old) . We all had a lot of fun making this toy and boys are having fun fun playing with it.
Here is more details.
http://self-sufficient-future.blogspot.com/2010/09/re-inventing-wheel.html
Here is more details.
http://self-sufficient-future.blogspot.com/2010/09/re-inventing-wheel.html