Use these sensory discs to create captivating tactile and visual experiences for early learners or those with special needs. Also perfect for fidgety students, these discs are made for touching, squeezing, exploring, and observing! These see-through disc pouches are filled with water and colorful, shimmering, non-toxic gel beads. They invite kneading and squishing that makes the gel beads move around in the liquid to create a fascinating, ever-changing scene. Squishy stuff! Product dimensions: 5" diameter.