Classic stacking toy with 5 colorful rings and a bat-at rocker base Made with plant-based materials (*Toy made from a minimum of 90% ethanol extracted from sugar cane.) and comes in FSC certified package Helps introduce the concept of relative size as baby stacks the rings from biggest to smallest ​Grasping and stacking the rings helps develop fine motor skills and problem-solving skills ​For babies ages 6 months and older