Discover the gym that transforms 4 ways to grow with baby from birth to big kid! The Baby Einstein Farm Explorers Busy Barnyard Grow With Me Activity Gym is the perfect way to support baby's milestones and play needs as they grow from ages 0 months to the toddler years. 3 dangling toys engage baby's eyes and fingers as they lay and play. The extra-large, plush play mat is perfect for tummy time. Simply place the 2 musical vehicle toys on the mat to engage baby during tummy time and encourage crawling. Sitters will love to explore the engaging 3D barn – its sensory shape sorter and lift-the-flap crinkle doors keep baby entertained and learning during seated play! Unfold the mat to reveal a road mat where toddlers can push the tractor and pickup truck toys on a country drive! Dimensions: 35.98 x 48.03 x 22.8 inches. For ages 0-48+ months. Machine washable mat. Requires 4 AA batteries (not included).