Problems With Kids

I have a couple kids, and it seems like they are always finding a way to get into the stuff we don’t want them playing with. They especially love to play with CDs, DVDs, and wii games. Unfortunately, the way they play with them they have a habit of destroying them. I am looking for a way to copy wii games so that I will have a replacement if my kids wreck the originals of my favorite games. I try to keep them away from the kids, but somehow they usually end up finding them or someone forgets to put them away.