Kenjin Puzzle Ed. Inter Wooden puzzle blocks. Includes a text book with 56 questions! Can you make a cube? Used item. The blocks have minor damage and signs of use. The box is damaged. As shown in photo ③, a "Well Done!" sticker is attached. Toys, educational toys, intellectual toys, puzzles, blocks Ed・Inter, Ed.Inter, wood, wooden Education, learning, games, problem sets, three-dimensional, 3D