MESS FREE MAGIC: Color and creativity without the mess! Our Magic Doodle Mat appears white until you add water. Just fill the magic pen with clean water and draw! No paints, markers, or pens needed - and with its waterproof backing, no leaks! EXTRA LARGE EDUCATIONAL FUN: In addition to art, our huge 7778cm/149100cm water coloring mat helps multiple children learn while having fun. Practice the alphabet, numbers, shapes and more! Perfect for homeschooling, learning at home or classroom activity. EASY TO USE, CARRY & STORE: Doodle on the floor, on a table. It makes a great decoration/activity for the playroom and the included carry case lets you easily pack it up to take with you and the included pockets keeps everything safe and organized. Notice:When using, please ensure that the water is clean, otherwise it will leave traces on the canvas. If this happens, gently wipe it with a damp cloth and dry it. In order to protect the canvas, please do not use other brushes other than the canvas to paint !