Introduces sign language to studentsIntroduces sign language to children with simple, bold images that are easy to understand and follow for any grade level. Round shape allows children to face one another, encouraging interaction. Includes alphabet plus numbers 1 through 10.Carpet is 100% nylon to easily withstand years of wear and tear from active children. The revolutionary Densitech tufting process produces the highest fiber density available for a richer, thicker, longer-lasting carpet. Meets or exceeds Class 1 fire rating.Protection is provided by 2 stain protectors, and an antimicrobial agent offers effective protection against bacteria, fungi and yeast, so children can play and learn in a clean and safe environment.Overall dimensions: 6' Diameter