The more complex, the more fun. Mdf sets cut with precision to assemble.Wooden puzzleSKU: 366615376135191C$83.00PriceDesignSelectColor Quantity*Add to CartOwlHigh difficulty, owl-shaped clock. MazeMedium difficulty; Arm it and place pellets to continue the fun. SubmarineHigh difficulty, submarine with a dome through which a light passes. Maze 2High difficulty. The more complex, the more hours of learning. Labyrinth With a mechanism to move marbles.