These officially licensed Invisible Ink activity books for kids and toddlers reveal hidden games and pictures with favorite characters from Toy Story Inside Out and Monsters Inc. Set includes 3 no mess coloring books: 1 Toy Story coloring and activity book (24 magic reveal pages); 1 Inside Out coloring and activity book (24 magic reveal pages); 1 Monsters Inc coloring and activity book (24 magic reveal pages). Each mess free coloring book has a magic invisible ink pen that will not visibly mark most other items or surfaces. Each book measures approximately 6x8 inches. Manufacturered by Disney. These invisible ink coloring books for kids are a modern update to color with water books and paint with water books for toddlers and kids. These magical hidden picture books for children are perfect as travel activities for kids party supplies and party favors. Officially licensed Toy Story Inside Out and Monsters Inc Invisible Ink activity books for kids -- girls and boys alike. Perfect travel activities for kids. Includes over 400 Disney Pixar Stickers -- 300 Disney Pixar Finding Dory stickers and over 150 Disney Pixar Cars stickers. Invisible Ink Activity Book Set for Kids Toddlers -- 3 Travel Activity Books Bundle Featuring Toy Story Inside Out Monsters Inc with Invisible Ink Pens and over 400 Pixar Stickers.