Picture book to support toilet training for toddlers. - Title: I Did It on the Toilet! - Author: Mariko Kitagawa - ISBN: 978-4-8207-2949-5 - Price: 1430 yen - Target age: Toddlers - Binding: Hardcover There are some creases on the cover, but it should be fine for reading. Please purchase if you understand. Thank you for looking.