HOFFMAN’S SUGAR CUBE PUZZLE. # 583. £13.00
A dentist’s nightmare (or anyone else’s for that matter).
27 identical blocks with dimensions A x B x C pack into a box with sides A+B+C.
Suggested by Dean Hoffman at Miami University in 1978 this problem produces a truly fascinating puzzle.
Difficulty -: 4.
Instructions included. Solution available.
Wood type -: Samanea. Packaging -: Transparent PVC.
Dimensions 85 x 85 x 85 mm. Weight 340 grams.