Little ones can’t wait to get their hands on our super-safe sensory materials—designed to illuminate on light tables! The complete set includes translucent balls, gems and cylinders…featuring fascinating textures that encourage toddlers to squeeze, roll, stack and more as they explore light and color. Plus, the durable plastic materials are washable for easy care! You get all 3 sets shown (light table and tray not included); cylinders measure 2 1/2". Each set also available separately.