Dora the Explorer Imagine Ink Book Dora the Explorer Imagine Ink mess-free picture book set featuring Dora the Explorer and friends! The set features Dora the Explorer in a 24-page picture book, plus 1 mess-free Imagine Ink Marker. The Dora the Explorer 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.