Next Christmas already?????

We are fairly democratic in our household, I prepare and cook and OH tidies away afterwards
I mentioned some weeks ago that I needed a couple of milk bottle tops  Big mistake.  I now have a Sainsburys Bran Flake packet full to overflowing with tops of all colours of the rainbow.  I had not realised that he was still saving them till I picked up said box in the utility room wondering what it was there for.
What to use them for - big question.  I used 7 this afternoon and made this:-

I only have another 493 left to go. lol.  I am quite willing to share if anyone else wants some and I am also open to suggestions.  (Clean ones only thanks)