SE581
Captivate and soothe children with our liquid-filled sensory viewers! Simply place the vibrant viewers on a light table or in a science center and invite kids to watch the colored bubbles fall and dance. Then flip the viewers over to continue the spectacular show—for an endlessly calming sensory experience. You get a set of 5 durable plastic viewers in 5 colors; each viewer measures 5 3/4" tall.