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Hippopotamuses celebrate their belly buttons.

A group of Hippos spend the day at Belly Button Beach. Presented on board paper.

Billy Brown, having failed to heed his mother's warning to stay covered while he sleeps, awakens one morning to find his perfectly round brown belly button gone, and then tries to trick the Belly Button Beastie into giving it back.

Introduces what belly buttons are, how they are formed, and how they differ on the people and animals who have them.

Discusses human life before birth and, hence, the reason for the bellybutton.