Impossible Puzzle Gift Set | Dodecagon + Perfect Square 64 pediatric doctors so the arm swings and

so the arm swings and settles cleanly on an answer

Simply ask a friend to select a number but not to tell you

Material: rubberwood with a clear acrylic front window

This distinctive wooden chess puzzle features a laser-engraved board marking the initial positions of each piece

Impossible Puzzle Gift Set | Dodecagon + Perfect Square 64 pediatric doctors so the arm swings andChallenge even the most seasoned puzzlers with this Impossible Puzzle Gift Set from Creative Crafthouse! This set features two of our hardest brain teasers: the Dodecagon Dilemma and the Most Perfect Square 64, both handcrafted in the USA. The Dodecagon Dilemma will test your patience and logic as you try to arrange 12 laser engraved mahogany disks so that all adjacent numbers match. With 12! possible arrangements and hints included, its a puzzle