Kid O Rings Stacker Toy A brightly colored basic stacker; grasp, sort and stack the rings on the sturdy, stable base Perfect size for small hands, the rings have soft, rounded edges that are easy to hold and manipulate, they're easy to clean and are teething-safe Made from the highest quality ABS, the durable rings easily fit on the posts, increasing engagement, eliminating frustration and lengthening playtime Helps develop observation skills, color recognition, hand-eye coordination and motor skills 10 pieces, for ages 12 months+