Not sure if this has been done before.
Grandson, 11, is mad keen on birdwatching. He puts food and cleans his birdtable regularly, etc.
Yesterday, in passing the market in town, he spotted a bloke selling bird nesting boxes he had made himself.
I paid £5 for it and when we got it home discovered it didn't have an opening for cleaning etc.
It also says not to get one with a perch on it because of predators.
Anyone got any ideas for a nice sturdy next box.