Each piece, called a pentominoe, represents one of only 12 ways in which 5 squares of equal size can be joined edge to edge.
Confused? You haven't even tried it yet!
Create 2D and 3D shapes using various combinations of the pieces. A booklet with 50 shapes is included.
This baffling and beautiful wooden brainteaser puzzle measures 9" x 9" x 1 & 188".