A quarter of this cake has been cut away showing three identical layers inside. This puzzle looks simple but it is very ingenious.
Designed by American designer Bram Cohen.
Age : 8+
Package : original packaging
Level :4
Weight :
Size : 1 2/5 in x 1 2/5 in x 1 in / 3.6 cm x 3.6 cm x 2.5 cm
