Combine number fun and sensory play! Provide children with a hands-on way to explore their emotions and practice quiet engagement with these Numberblocks-inspired Sensory Bottles. Each bottle embodies a Numberblocks character with numbery details, size, colors, and more! Children will love finding number fun on the inside and outside of each tube. Shake, swirl, and stack to explore sensory play, calming techniques, and multisensory math learning. These Sensory Bottles have an easy-to-grip, securely sealed design with soft-touch plastic exterior. Includes 5 Numberblocks Sensory Bottles (1 Sensory Bottle for each Numberblocks One to Five). Explore the world of number fun with officially licensed items from the hit TV show, Numberblocks! Through big adventures, engaging activities, and catchy songs these clever blocks help children see how numbers really work and master early math skills. Numberblocks is helping millions of children around the world to fall in love with numbers, master key math skills, and discover the joy of learning.