Great fun for any little True and the Rainbow Kingdom fan. Officially licensed True and the Rainbow Kingdom toys and games products. Great fun for any little True and the Rainbow Kingdom fan. Officially licensed True and the Rainbow Kingdom toys and games products. True and the Rainbow Kingdom Coloring Book Set -- Imagine Ink Book and Play Pack (Party Supplies Pack). The set features True and the Rainbow Kingdom in a 12-page Magic Ink book with 1 mess-free Imagine Ink pen, and a Kindi Kids play pack with mini coloring book, stickers and crayons. The True and the Rainbow Kingdom Imagine Ink picture book uses an invisible ink pen to reveal a rainbow of colors as you draw on the page. Does not visibly mark most other items. Perfect as True and the Rainbow Kingdom party supplies and party favors. Great fun for any little True and the Rainbow Kingdom fan. Officially licensed True and the Rainbow Kingdom toys and games products.