Are these tires okay to use for practice?

The first 2 are some older Levanto tires, and the last 3 pictures are some older MG Yellows. Are either safe to run (not worried about lap times obviously) and which ones would you run if any?

They look like they have enough life to drive on but they are going to be miles off pace most likely.

Sounds good, but yeah not concerned about pace whatsoever. I’m the only kart on track. Not even looking to get track data. Just to run for fun, and getting back into it. I haven’t karted in almost a full year.

I’m waiting on the owner to start selling tires so I can grab them a little cheaper