Colorful magic water coloring books with reusable water pens. Animal world, underwater world, dinosaur world, unicorn, robot world, cosmic world, transportation and baby fruit, a variety of styles to attract your attention and increase interest in learning. Water drawing books is an nice educational tool, clear and diverse patterns and colorful colors, so children can draw while getting to know the world, learning while playing and having fun, cultivating children’s interest in learning and building a bridge for them to explore the world. Activity coloring books pages that fill with vibrant color when wet and naturally disappear after 5-10 minutes later dry, kids can draw and play again. The rueful fun water drawing book are not a single-use item. Water pen and water coloring book are made of high quality plastic and paper material, safe and reliable, so you can use them at ease and enjoy drawing without worrying about ink staining clothes. The spiral-bound format of the doodle boards makes it convenient to carry.