Educational toy to foster creativity with wooden puzzles. - Brand: KUMON - Product Name: Tangram - Target Age: 4 years and up - Puzzle Type: Wooden Puzzle - Contents: Guidebook, 20 puzzle pieces This is the very popular Kumon Tangram puzzle. While playing with the puzzle, children can develop their sense of shapes and thinking skills. There are 20 guide boards with colorful pictures. My child repeatedly challenged themselves and was absorbed in playing with it. All the contents are complete. The building blocks have some stains, please check the third photo. It's in very good condition because it hasn't been played with much. Thank you for looking.