Dd2 got her hands on a fan from a Chinese restaurant which had red string hanging from it - and she had a good long suck on it before I realised. Later saw that her mouth had gone purple from it, and her hands were all red. Tried to wash tongue and hands as well as I could. But now I'm a bit worried - do you think it will harm her - toxic substances or something? We're supposed to go away in 30 minutes!