Magic canvas(cloth) is a kind of environmental-protected toy ,which is covered with white paint on bottom colored cloth. Accordingly children are able to write and paint by water instead of ink on the magic canvas. The magic cloth matched with fiber pen, which we can infuse water into at any time. The clear handwriting has not penetration and diffusion. The color handwriting automatically disappear after about 17 ~ 22 min without trace. The toy is suitable for practice of calligraphy or painting, especially children love. Magic canvas can be repeatedly written, having advantages of environmental protection, saving paper and enhancing interest. The magic canvas allows baby graffiti, parents no longer worrying about dirtying baby hands, clothes and wall.