Raising mealworms is super easy. It's a great idea if you have insect eating pets, bird feeders, or would like to start eating insects yourself. I've read that insects can convert plant matter to protein 10 times more efficient than cattle. They are very commonly eaten in other countries.
You'll get to see the whole life cycle and then they'll keep reproducing. It takes about a month to see larva from the eggs so be patient. So far as I know only a couple adults have gotten out of the open bin and that could have been students.
Some people prefer wheat bran, chicken feed, or whole wheat flour because it's easier to sift out the worms.
Other people like the oatmeal because it'se easier to sift out the frass. (insect poo) (it's dry and not smelly)
Some sites suggest seperating beetles, pupa, and larva, but I didn't and it's fine. Maybe I get a few less.
Here's a link to a really detailed how to
To get meal worms you can buy some at a pet store, order online, or ask me next time you see me.
Here's a link to some good recipes. Also click aroun on this guys page, it's pretty good stuff.
There's really no end to their uses. Here's a spider that me and my son feed like a pet.
Here's a link I found to a physics lab using meal worms. Looks like a perfect lesson!