Brain Games Sticker by Letter: Happy Thoughts is a compelling activity book designed to keep your child’s brain engaged while creating cool, uplifting art. Includes 10 images to sticker. Spiral binding and perforated pages make the book easy to use! 8 x 10 inch pages.   Similar to color or paint by number, this sticker activity book features designs that are divided into spaces, each with a letter, that corresponds to a sticker. Find the sticker, peel it, and place it in the right space. Watch as a full color image emerges from the original unfinished illustration.