This on the go numbers puzzle set is a preschool learning tool it teaches number from one to ten . it's a learning tool for Toddlers and kids ages 2 and up . This also includes 10 cookie-shaped play piece's with a sesame Street character underneath each one kids can sort by color or numbers . it's a great way for your young ones to learn and explore with there favorite friend from sesame Street. There are indentation on each number / cookie for easy removal also it's easy to clean up and store it away. This great learning tool comes from a smoke free , and a pet free home.