These coffee pods make surprisingly realistic bluebells, as well as making a pleasing bell like sound.
Step 1: Cleaning the pods out
Nespresso pods are an interesting material. It's very light, easy to work with, beautifully coloured metal, but to get that metal involves messing about with used pods.
I'm not wearing gloves in any photos, but you might find it useful to do so. I did end up getting very small cuts a bit like paper cuts, but they weren't painful.