Encourage tactile exploration and sensory development with this colorful set of Textured Mix and Match Balls. Children ages 6 months and up can explore different textures strengthen fine-motor skills and explore size and color relationships using this easy-to-clean set. By simply screwing together the pieces you can build matching balls or mix up pieces to create even more ways to explore. Set includes 4 smaller balls and 4 larger balls each sized just right for small hands.