These see through disc pouches are filled with water and non-toxic shimmering, colorful gel beads. They invite kneading and squishing that makes the gel beads move around in the liquid creating a fascinating, ever changing scene. Captivating, soothing tactile and visual sensory experiences for early learners or those with special needs are delivered with these 5" diameter sensory discs. Set of three, sensory experience squishy stuff.