Set of 4 unique U-shaped silicone toys Encourages fine motor skills, sensory learning, open-ended creative play Perfectly sized for small hands Can be nested into a rainbow or stacked creatively Features 2 holes that look like eyes - Doubles as a hand puppet! Ulu is unique with a capital U. Its elegantly curved shape lets it rock back and forth but never roll away. Its soft, elastic silicone material is a joy for the fingers to feel, squeeze, and stretch. Plus, the play possibilities are endless. With Ulu, how you play is up to U!