Stick stencil stickers on outside of wine glass. Use aerosol frosting (inventilated area) and spray outside of glass. Allow to dry. remove stickers and see effect of handy work.
Stencil stickers from craft shops / card making
Aerosol frosting can
sticky tape (to mask off interior of glass) and possibly stem
Frosting will take 3 hours to dry. So will take 2 weeks to complete.
Well ventilated area is essential when using aerosol can.
Be aware of scouts with respartory conditions.