These officially licensed Imagine Ink coloring books for kids and toddlers reveal hidden games and pictures with favorite characters from Star Wars Transformers and Hot Wheels. Set includes 3 no mess coloring books: 1 Star Wars coloring book (24 magic reveal pages); 1 Transformers coloring book (24 magic reveal pages); 1 Hot Wheels coloring book (12 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 Imagine Ink. 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. Includes over 240 Marvel Avengers stickers for kids (12 sheets). These magical hidden picture books for children are perfect as travel activities for kids party supplies and party favors. Officially licensed Imagine Ink Star Wars Transformers Hot Wheels and Magic Ink coloring books for kids -- boys and girls alike. Magic Ink Coloring Book Super Set -- 3 Imagine Ink Books for Kids Toddlers Featuring Star Wars Transformers Hot Wheels with Invisible Ink Pens and Avengers Stickers (Mess Free Coloring Bundle).