Designed by Adam G. Cowan, purchased from Mefferts, 2010.
(plastic, 2.2 inches;
yellow opposite white, green opposite blue, orange opposite red)
This puzzle works like a
Rubik's 3x3x3 Cube
where looking at each face there are three layers that can turn.
Here are two views from the top of the two layers turned.
Any move makes a non-square shape,
and successive moves make a completely jumbled shape.
Here is a sequence of three moves, a clockwise rotation of the back layer,
followed by a clockwise rotation of the front layer,
followed by a clockwise rotation of the lower right layer: