Check out the design of this kids idea for a spiral magnetic motor... I like the look of three pieces.. but would it mean that you have three times more walls to break?
My Version Of The Various Magnet Motors On Youtube
http://www.youtube.com/watch?v=YlekKGUi-Kw&feature=user
Smart kid for his age! Check out his updates..
http://www.youtube.com/view_play_list?p=CC818BE7B9CEEFF4
Jason
I like this kid. He reminds me of my youth and my magnet wheel in 1974
What an inspiration, trying to get my 6 year old playing with magnetix more, but the 3 year old seems more interested. Perhaps we should all pitch in a couple bucks for this kid ?