Discover Bluey and her family with the Inkredibles: Invisible Ink Bluey colouring and activity book! Kids will love revealing Bluey and her adventures with the amazing Invisible Ink pen. This book is packed with puzzles, mazes, games and more that come to life when the Invisible Ink pen runs across the page. With hours of entertainment for everyone, the Inkredible technology keeps the magical fun on the page and off everything else!