Disney Doc McStuffins Imagine Ink Coloring Book (Includes Mess Free Marker) Imagine Ink mess-free coloring book set featuring Doc McStuffins! The set features Doc McStuffins in an Imagine Ink coloring book, plus 1 mess-free Imagine Ink Marker. The Doc McStuffins Imagine Ink picture book uses a mess free marker to reveal a rainbow of colors as you draw on the page. Designed to be used with the included Magic Ink Marker, a clear marker that will not visibly mark most other items. Perfect for travel and on-the-go fun. Great fun for any little Doc McStuffins and Disney Junior fan!