This is a hand-crafted puzzle box called "Blinded II." It is made from genuine mahogany and Peruvian walnut. The mitered corners are strengthened using angled keys with contrasting wood. Puzzle boxes are fun, rewarding to solve, and make a great gift. They can be easy or difficult to solve. This box rates at about a 3 on a 1 to 5 scale. It measures 3.5" wide x 5" long x 2.5" high. Putting items inside will interfere with the opening mechanism.