Keep your brain engaged while creating fun, beautiful art, with Sticker by Number Birds! Features 42 bird-themed images to sticker!Images range in difficulty.Spiral binding and perforated pages make it easy to use!Made for adults but kids can enjoy as well!** Images in this book are also featured in ISBN-13: 9781645584957 Brain Games - Sticker by Number: Birds (28 Images) ** As in color or paint-by-number, each design is divided into dozens of spaces. Each space has a number that corresponds to a sticker. Find the sticker, peel it, and place it in the right space. Watch as a full colored image emerges from the original unfinished illustration.