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 & 23 pieces of 15mm eyes. They are ideal for the classroom, art room, daycare & home. Wiggle eyes on sheets are recommended for children ages 3 & up.