The Fisher-Price Sit-to-Stand Giant Activity Book is a 2-in-1 electronic learning toy that transforms from a flat storybook to a sturdy upright activity center with 360 degrees of play for your baby to explore as they grow from sitting up to crawling and walking around. As little ones press the 3 light-up buttons Smart Stages learning content introduces the alphabet numbers colors and more. This exciting play space features 8 engaging activities to keep little hands busy including shape-sorting spinners and more.