Try to solve the rolling cubes puzzle!  You start with eight cubes around a center hole.  Each cube is 
black on the top and white on the bottom.  The object is to roll the cubes around until the cubes are in the 
start positions but with the white faces on top.  Click on a cube to roll it.

It is possible to win in 36 moves.  Good Luck!  Solving the puzzle is harder than it looks.  The solutions is 
here if you need it.

Playing Instuctions:  The objective of the game is to turn all 25 "lights" on.  Clicking a square will
toggle its light (as well as the lights of all horizontally and vertically adjacent squares) on and off.