Walmart has the Fisher-Price Rock-A-Stack with 5 Rings, Plant-Based Toy for only $2.41! 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.  Plus, score FREE shipping on this order when you try out the new Walmart + Program. Sign up for a FREE 15 day trial today!