School Zone-Bubbles Sticker Skill Book. Meet Bubble, a friendly sticker, who is excited to help your child learn! Follow Bubble and the simple visual instructions at the top of each page. By matching the size and color of each sticker to the size and color of its missing place, your child will have a blast developing essential Preschool skills. This book series helps develop: visual discrimination, dexterity, eye-hand coordination, fine motor skills and problem solving skills. Softcover, 16 pages with over 100 stickers each. For ages 3-5. Published year: 2013. Imported.