The Kanazawa IPP39 Puzzle was designed by George Sicherman and presented by Brian Young during the Edward Hordern IPP39 Puzzle Exchange in Kanazawa, Japan (2019). Sicherman, known for creating puzzles that manipulate space and logic, offers a deceptively simple challenge in this tray puzzle. The objective is to fit an additional piece into a diamond-shaped frame already holding five pieces. The puzzle plays with spatial perception, where solutions require not only careful observation but clever ...