Wooden 3D puzzle, a design of intermediate difficulty, perfect for educational purposes. - Material: Wood - Design: 3D puzzle - Shape: Spherical - Color: Natural wood - Usage: Educational toy - Difficulty: Intermediate Purchased as a decoration. I've never taken it apart, but it's a mid-level wooden puzzle. Please check the photos and only purchase if you are satisfied, as it is stored privately. Thank you. It will be disassembled for shipping.