The Edu-Clings Silicone Set: Vowels manipulative is perfect for hands-on phonics activities such as swapping out medial sounds in CVC words or making vowel digraphs to complete words. This easy-to-clean, 30-piece resource provides a revolutionary hands-on learning experience for both at home or in the classroom. Each manipulative measures 3.54" in diameter—the perfect size for white boards, larger manipulatives, individual center activities, and more.Edu-Clings are the perfect hands-on learning manipulatives. They encourage discovery and deeper understanding at home and in the classroom. The innovative silicone material is easy to clean, quiet, durable, and clings to all nonporous surfaces without leaving any residue. It's dishwasher safe so you can sanitize regularly and easily. You can even write on it with dry-erase markers. Warm water and a touch of dish soap will always make it cling like new. From individual center activities to larger manipulatives that are perfect for whiteboards, Edu-Clings will revolutionize hands-on learning at home and in the classroom.