Roll Ball Swirl Tower Ramp Set for Babies Tower easily breaks down for on-the-go activities...Can be built up to 12" in a snap Encourages development of fine motor skills 5-tier colorful busy ball drop will mesmerize your child for hours as the 3 swirly balls race down the tower shoot. Entertains your baby and encourages important developmental skills Encourages repeated play........ Heavy duty acrylic balls containing beads rattle when rolled or dropped