Smooth beechwood rings. 1.9" dia. Children will enhance their sensory and observation skills while building their fine motor skills. Encourage open-ended play and nurture creativity and early problem solving skills. Set of 10 smooth beechwood rings measuring 1.9" in diameter. Children are fascinated by the shapes and smooth texture of the objects. Use with Wooden Ring Stand Base, #73911 (sold separately). Appropriate for 10 months and up.