The "bumpy" textured surface promotes sensory stimulation and is perfect for massaging feet and hands.
They are hard to the touch, so will appeal to children who don't like soft things. Helps to promote a sense of calm, reduce stress, anxiety, increase focus and attention.
Learning through touch helps children to enrich and develop their tactile and visual senses, as well as encouraging language development through describing the sensations they feel. Colours may vary.