Lou Lou and Company Zipper Footie: Theodore Size:3 6M quality board book with built in quality board book with built in tracks Why kids love it: Watch the train whizz and chug across every page Build a giant train track puzzle Explore colorful adventure scenes Play again and again independently Why grown ups love it: Encourages imaginative play and problem solving Supports fine motor skills and hand eye coordination Durable gift quality format for kids age 3+ Great for birthdays Our changing pad cover comes in multiple on trend designs to inspire serious nursery envy lay flat or hang dry Designed with two zippers—one for easy dressing and one for quick diaper changes—plus non slip soles for early walkers