The magic markers have bright colors and can paint on many surfaces, such as paper, cardboard, wood etc. Original color of the magic markers can be changed by the color-changing marker. The color-changing marker can also be used as secret inks, which only become visible after being painted over with the magic markers. Feature water-based inks with a faint odor. The dry-out rate is approx. 5 % per month. Free from formaldehyde and other harmful substances. The pH is ca. 6. All ingredients comply with the requirements of Euro Norm EN71, Part 3. The specially designed tip cannot slip inside the pen or bend under pressure.
3 years +