3D puzzle composed of a wooden base and colorful parts, with a problem set to train your thinking skills. - Brand: Gakken - Product Name: Head-Improving Penta Cube - Puzzle Type: 3D Puzzle - Set Contents: 5 parts, 60 problem questions - Features: Wooden base, colorful parts Thank you for viewing. A brain-training toy that forms shapes on a 3D base, with 60 puzzles across 5 levels. The box has some scratches and scuffs, but all the cubes are present and in very good condition. This is a toy from Gakken that helps you improve your mind while having fun. Thank you for your consideration.