Additional+notes+to+consider

 1) The holes drilled on the cube need to have a larger diameter that the pole it will be placed on, so that it can move freely.  2) Also, in order for the cubes to spin, I need to add supportive pieces above and below the cubes to keep them from falling.  3) Behind the shape recognition block, I will need to place a thin piece of wood to cover the holes so that the pieces do not come out on the other side.       
 * __Additional Notes __ **