Wiggle Eyes bring projects to life. Use the convenient, peel-and-stick back to attach to different mediums so no glue required. Set includes 52 pieces of 7mm, 33 pieces of 10mm, 29 pieces of 12mm and 23 pieces of 15mm eyes. They are ideal for the classroom, art room, daycare and home. Wiggle eyes on sheets are recommended for children ages 3 and up.