The dye of the pen is water non-toxic easy to clean. No need to be afraid that the baby or your house would get dirty. Kids are fascinated as colorful images spring up easily to catch their attention to make them focused. Manufacturered by elecfan. Textured fabrics and bright colors help to develop children's sensory awareness colourful photographs and soft pages can easily appeal children. Perfect travel toy for indoor and trips portable to carry and kids can draw anytime and anywhere and learn from it. Provide both entertainment and education best gift for your kids. After painting with the water pen the whole color changes immediately a few minutes later the painting disappears. It can be used repeatedly very environment friendly.