Unused, but has been stored for a long time. This is a puzzle where you arrange 8 tile pieces to fit perfectly into the case. There are 182 possible combinations that fit in the case! Let's figure out how to arrange them perfectly. A problem book with 50 questions in total, ranging from easy level 1 to difficult level 6, is also included, so children and adults alike can enjoy it for a long time. Set Contents: Tile pieces...8, Case...1, Problem book...1 Size: 113 x 113 x 8mm Materials: Tile pieces/Case...ABS, Problem book...Paper Retail Price (including tax): 2,200 yen (including tax) Educational toy Hobby Education Rehabilitation