Well... mathematically, yes, but you can certainly start there. If it's not fun and doesn't work well, you might be discouraged, so that's a real issue. Just understand that a container like that won't drain enough water away from the roots, so you might kill your plants and not want to do it anymore.

If they die in there, don't give up. Find something flatter and that drains.

You can find these, or something like it, in most grocery stores

https://www.amazon.com/Aluminum-Cookie-Sheet-Baking-Disposable/dp/B07Q46BWBR and they only cost a dollar. You can stack 2, punch holes in the top one.

Cheap to try it out and if you like it, upgrade to more purpose designed trays.