Mustard Thermonotes - Unicorn Magenta - Cool Notebook - Heat reacting! Responds to the heat from your hands to change colour - a great way to create a personalised cool notebook! Plain Paged Notebook - Ideal for doodles, designs, notes and much more! Feautures Fun Unicorn Design - simply add to it by applying your hand to leave your own print thanks to the notebook's heat reactive features.