Colorix Glass Fun Crayons by Amos are ideal for use on glass, mirrors, and tiles. You can even add water to create a water colour effect.
These Crayons are water-soluble, so any stains are easily washed off with water.
Each Crayon is in a twist-up tube so there's no mess and no waste.
Easily wiped off with wet towel.
6 bright colours in a packet.
Not recommended for use on skin.