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.GTJ58 - ​Fisher-Price Sit-to-Stand Giant Activity Book, electronic learning toy and activity center for infants and toddlers ages 6 months to 3 years