Friendly and Safe Design: Unique technology and non-toxic water injection fun books, so that children can enjoy the fun of painting without ink, which makes children very safe.
Magical Reusable Function: Fill in each activity with a pen, and then see the hidden color and picture articles! It becomes vivid during the painting process, disappears naturally after 5-10 minutes of drying, and then kids can paint and play again.
Easy Use for Kids: Just add the water on the pen, then the children can draw it by themselves. After 5-10 minutes of drying, the kids can paint it again.
