Leaves went in the compost bin or bin bin?

The millstones and weights do look really cool as garden decor but all I can think of is that it looks like a spider mansion XD

Did it close up? I have some vague recollection of tapping snail shells because I found them retreating into the shells and then poking out again and intriguing and it never entered my tiny little baby brain when I was a small child that maybe I might be scaring the poor things half to death.