Crafting almost always requires glue. Hot glue, paste, PVA... we school teachers love them all. However, they can be a messy wee substance to manage. So here is a teeny tiny tip for keeping your PVA manageable... milk bottle tops!
In the photo, I have used cotton wool buds (new ones) as glue applicators, and found them really good. In the past, I have also used scraps of cardboard, strips cut from ice-cream container lids... almost anything, except paintbrushes. Glue tends to ruin paintbrushes very quickly.