The toy is a self moving train with spinning characters. The detachable characters add extra fun for the child. The toy offers lights that flash to the music for added stimulation. The Fun Friends Choo Choo Train encourages discovery for babies 3 months or more. Playgro infant toys engage baby's senses and stimulates their development. All Playgro toys provide opportunities for babies to toddlers to think, look, listen and move and most importantly, smile. Playgro toys help parents who lead busy lives and are on the go.