The Baby Einstein GO OPUS GO 4-in-1 Crawl and Chase Baby Learning Toy is a fun and interactive toy designed for babies and toddlers aged 0-5 years. Made of durable plastic, this toy features a bright blue color and comes in a compact form factor of 9.4 x 9.4 x 9.0 inches. It includes a battery for convenience and encourages active learning through play, stimulating sensory development and motor skills in young children. Perfect for both boys and girls, this toy from the trusted brand Baby Einstein provides hours of entertainment and educational value for little ones.