These classic wood puzzles offer a challenge for any skill level for puzzle lovers of all ages. These puzzles provide hours of fun! The goal is simple: Disassemble and reassemble. But the solution just might lead to hours of frustrating fun (and then the satisfaction of success!). Difficulty level: Dilemma. 4 Styles: 4 to a Side, 6 to a Side, Column, and Pyramid. Styles may vary.