Interesting textures help to develop dexterity, imaginationand motor skills. Great for little hands. Ages 6 months and up. Interesting textures help to develop dexterity, Imagination and Motor Skills. These colourful rubber balls with ridges and bumps will encourage finger movements and develop gross motor and ball skills. Ideal for tactile and sensory stimulation, these sensory toys have different textures for tactile exploration and sensory development. Their bright colours are ideal for visual stimulation and can spark your kid's imagination.