3 color Children doodle Pen: Pink, Violet, Blue Function: No need to worry about your babies scribble. You can use the doodle pen series to draw on paper, clothing, bedding sheets, walls, furniture and any smooth surface without worrying about lasting stains. Adopting high technology the stains can be erased by wet cloth and cleaning pen immediately, or some might be gone after 48 hours. Our Ink passed En71 Part 9 ( No. SH8056135/ CHEM ) testing and China National Toy Safety Technology Regulations(GB6675-2005. No. SH72804047). It is Harmless, Nontoxic and pollution-free. Notice: This product is not food, do not eat or put it into mouth! The pen top should not be put into mouth either! Children under 3 years old should be guided by parents. The product is suitable for preschoolers. If the writing trace can not vanishing in time. Please use cleaning pen to erase the trace.