Want something else we can use spinning motors for, that is cooler than learning how to make trash spin?
How about a laser show?
May cost a lot more to assemble via the high quality mirrors and motors, but is a lot more fun to play with.

Click on images to see larger, then click back button to return.
laser_show.jpegOnly using four mirrors right now.

laser_show.jpgNeed to work on my lining of mirrors.

laser-show.jpgAs you can see the small amount of cutoff,
 on the mirrors, and it's huge cutoff on the wall.


Started circuit build of ladder/motor control, only three more like this to add.