The wonderful ökoNORM magic markers have bright colours and can be used to draw on many surfaces, such as paper, cardboard, wood and more. The original colour of the magic markers can be changed using the colour-changing marker. The colour-changing marker can also be used for secret messages, as it only become visible after being drawn over with the colourful markers! Feature water-based inks with a faint odor. Free from formaldehyde and other harmful substances. The pH is approx. 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. The colours are not washable and cannot be washed off! Warning!: Children under 3 years should be supervised by adults Packaging: Cardboard box (13 × 1.4 × 15.4 cm) Ingredients: The water-based inks contain glycerine, liquid vaseline, and non-toxic colour pigments. Euro Norm EN 71/9, American Norm ASTM D 4236. The drying out rate of the pens is approximately 5% per month. They can be refreshed with 2 drops of lemon juice or vinegar on the coloured pad. Adults can open the rear cap with pliers or a blunt knife. The colours are gluten-free Made in Germany
