A Constructive Playthings Exclusive, this soft vinyl roller can be used in a variety of ways! As a crawl-on, roll it back and forth or use it as a rainstick and let the soothing sound of the contained balls work as a calming piece in your classroom or home calming corner. Fantastic for tummy time and working on those gross motor skills. Roller measures 18" L. All Ages. Be sure to check out the ball pump below, sold separately, for easy inflation!