This is a supplement from Kodomo Challenge. It's a picture book that supports toilet training and toothbrushing. It has interactive elements and makes sounds. The last page is designed for a Shimajiro doll to sit on the toilet, but of course, other dolls can be used too. My daughter used to play with it by putting various dolls on it. When you press the swirl button, it makes the sound of flushing water, allowing for realistic pretend play. *The batteries that were originally included are still working, so I will leave them in. Please consider it! ・This is a used item for children, so please purchase it if you understand this. ・This is a personal inspection, so please refrain from purchasing if you are looking for perfection. ・No smokers, no pets.