i want to make this cat(nip) table

i saw this on re-nest. how fun. kitty can eat grass and roll in catnip.

maybe i could build this and put it on the balcony for millie.

did i mention we brought our crazy cat to the city apartment (she's in the second picture)?

she meows at night in our faces, and has already erped on the carpet.

any suggestions for calming a psycho cat are warmly welcomed. PS she is 15 and still as naughty as she was when we rescued her 15 years ago.

we think she has mental problems.

but we love her. had to add that.

PS in the top photo, the black cat is on a leash. does this really work? will cats walk on leashes? this would be helpful to know.