Fisher-Price Giant Rock-a-Stack, 14-inch tall stacking toy with 6 colorful rings for baby to grasp, shake, and stack. At over 14 inches tall, the Fisher-Price® Giant Rock-a-Stack® takes classic stacking play to new heights. Your baby can grasp and shake the six extra-large, colorful rings, then stack 'em up high on the wibbly-wobbly, super-sized base. And the littlest ring has swirling beads inside for your tot to shake and explore!