Transformers Bumblebee Imagine Ink mess-free picture book set featuring Transformers Bumblebee, Optimus Prime and more! The coloring book set features Transformers and Bumblebee in a 24-page mess-free coloring book, plus 1 mess-free Imagine Ink Marker. The Bumblebee mess-free coloring book uses a mess free marker to reveal a rainbow of colors as you draw on the page. Includes Transformers stickers. Perfect as Transformers Bumblebee party supplies, party favors, reward stickers, motivational stickers and more! Officially licensed Transformers Bumblebee toys and games products.