![Fisher Price - Rock-a-Stack Fisher Price - Rock-a-Stack](https://www.pisiffik.gl/142315-large_default/fisher-price-rock-a-stack.jpg)
![Fisher Price - Rock-a-Stack Fisher Price - Rock-a-Stack](https://www.pisiffik.gl/142315-large_default/fisher-price-rock-a-stack.jpg)
At last...the ring to top them all. This Fisher-Price® Rock-a-Stack® toy, made from plant-based materials*, offers classic stacking fun for babies. It features a wibbly-wobby rocker base and 5 colorful rings for little hands to grasp and stack. Stacking helps baby develop hand-eye coordination and introduces them to the concept of relative size as they learn to sort and stack from biggest to smallest! (*Toy made from a minimum of 90% ethanol extracted from sugar cane.)