
which was part of:

a well weathered, and now rusty, metal ornamental deer. The blue rectangle on its back is a small solar panel. At night a colour changing LED illuminates the inside of the deer. Well done to Adrian and Ellen D. who guessed correctly. My thanks, as always, to everyone who has a go at guessing my little 'mysteries'
Your next puzzler - this is a view of

what? If you would like to make a guess please leave it in the comments. They will be revealed, along with the answer, next Monday.