This originally designed sequential puzzle box is a great way to give friends and family a fun challenge. A hidden compartment in the final piece let's you place a special item as a reward for extra excitement. Perfect for beginner and experienced puzzle solvers. Requiring 24 steps to open, this puzzle box offers lots of entertainment for the solver and others watching. Sealed instructions are included so you can easily open the puzzle to hide an item, and to assist with reassembling the box once opened. This puzzle box is precisely assembled by hand from 82 separate laser cut wooden pieces in Michigan. Outside Dimensions: 5.6 x 2.8 x 2.8 Inches Hidden Compartment: 2.0 x 0.8 x 0.8 Inches Comes with solution. Designed by Patrick Alpers