I wouldn't pick them up for a few days, but I'd have my hands in the cage as often as possible, offering them tidbits to eat (even if they don't take them). Cut holes in the end of a shoebox, put tidbits in there, and gently shoo them in. After a few days, you can lift them out of the cage while they're in the box -- it's much less traumatic for them than trying to trap them in the corner of the cage to get them out. You'll have to change the shoebox often, though, as they'll pee and poop in it.
After they start poking their heads out and moving around, you can pick them up (via the box) on a regular basis. When you do, have treats for them to eat while they're on your lap -- it can even be something from their regular supper. The key to taming them is gentleness, patience, and a lot of yummy treats.