In 2010, Giddy-Up published a series of Surprize Ink! Sesame Street books. These books comes with a mess-free marker that magicially reveals hidden pictures, textures and patterns.
Color Blast! Magic Picture Book
Playtime and Pals2006 version
Playtime and Pals2010 version
Water Wow! Doodle Book2006 version
Water Wow! Doodle Book2010 version