① Gobu Gobu Gobo Gobo Features colorful illustrations for ages 0-1.2 years old. Each page has a hole for a baby's finger, making it a picture book that can be read while playing with fingers. (Photo 6) ② Fuuuh This is a picture book that can be read while blowing "fuuuh" with your child. (Photos 7.8) If you are interested in a set with other books or purchasing individually, please leave a comment. Thank you for looking.