So here I have another one - it just looks easy to build:
You don't have to build it that tall. I like this cuboid shape. The stones at the bottom make sure the wind doesn't knock it over. That would be good. In the middle, there should actually be a small cuboid so the wind doesn't blow through, right? Does that shrubbery at the top do anything or is it trash? The wooden logs are of course made according to regulations.
I still have plenty of bamboo tubes. But they have about 2 cm holes. Those are too big, right?
So the desired animals would mainly be:
Bees (if possible)
Lacewings
Ladybugs
Earwigs
Beetles in general
Did I forget anyone important?