Cheerio125
today my sister told me that the pen she was using wasn't working so I tested it on my arm by drawing a dark mark. it worked and I gave it back to her, but then I realized that it was a permanent marker so I tried to wash it off with sunscreen ( the best solution to erasing permanent marker). then I rubbed it off with a towel and turned the towel pink. and you can still see the dark mark on my arm.