Writing with this magic will not be visible, Use the blue light on the cap to see writing. Canbe fun and amazing gift idea children for different occasions. Write your blessings on the gifts for friends to make the party more interesting. Harmless, flavorless and smell less non toxic ink . Smooth and colorful disappearing inks on t- shirts, paper, skin and most of the surfaces. Not recomended for children below 3 years.
