Welcome aboard!
As has already been noted, it's not necessary to feed them in a separate enclosure...but if you feel like that's what you want to do...it won't hurt them to very gently scoop them up and move them back to their own home. Just don't "play" with 'em...and be sure to support the whole body, not just grab 'em around the middle.
It's always great to see someone wanting to learn about a new pet before they go out and buy it!![]()