This is a product from Flying Tiger. It's a wooden puzzle that visually helps children learn single-digit numbers that add up to 10. Perfect for preschoolers to lower elementary school students to learn arithmetic. Made with wood certified by the Forest Stewardship Council (FSC). -:+:-:+:-:+:-:+:-:+:-:+:-:+:-+:-+:-+:-+:- 【Size】 Approximately 14 x 14 cm Hardly used. Please understand that this item has been stored at home before purchasing.