The Crazee Diamond, from the makers of the successful Bedlam Cube is a looped tetrahedral made up of 16 moving pieces joined by fabric hinges. It can be twisted into more than 250 forms by folding the tetrahedron elements.
To win £300 worth of CraZee Diamond stock simply answer the following question:
How many tetrahedral make up the CraZee Diamond?
Send your answer, name and company name to firstname.lastname@example.org by 29th February.