Alphabet Letters Sensory Toys for Kids! Great Educational Toys for Classroom ! This is not only an letter learning toys but also an sensory toys for toddlers, younger children, boys, and girls .Perfect educational sets for teaching a group of kids (like in a classroom) Kids can focus on learning letters, colors, and more by using this set. For playing, children can squeeze and toss this sensory tool to relieve stress and anxiety as well as decompress emotional. Stretchy These ABC letters are made of super soft thick thermoplastic rubber ,Kids can relieve stress by simply squeezing or stretching these sensory toys. Squeeze It is great suitable for reducing stress and anxiety, helping to develop focus especially those with ADD/ADHD OCD, autism, or high anxiety levels. Individually Wrapped Each letter are individually wrapped in packing box to keep them clean and tiny Clean by Water Wash these sensory learning letters with running water to clean the surface from dust and lint. What are these sensory letters made of? It's made of non-toxic, BPA free and odorless rubber material. How big is each letter? The height is 3inch, and the thickness is 0.46 inch. Are these letters packed individually? Yes, each letter is packed with a plastic bag to keep clean. Does this product easily break by stretching? It can be stretched thousands of times without problem, it's a squishy toy. But if kids use sharp objects cutting it or bite it, it will be damaged soon.