i-Kason&reg; High Quality New Favorable Imaginative DIY 3D Simulation Model Wooden Puzzle (Assembled Three-dimensional Puzzle) Kit for Children Or Adults Artistic Wooden Toys for Children - Prince Palace DIY 3D wooden puzzle. Educational, unique and enhances creativity. Use your brain, exercise your patience, is unable to untie the knot, but as long as the master of the structure, is sure to solve. Natural wood - can be stained, Lacquered, painted, or left as is. Note: 6 large planks set, a board size is 370 * 230 * 3mm