How do you wash kneaded eraser?

Kneaded erasers don't wash well, at least I've never had much luck doing it. They are however fairly inexpensive, so I tend to replace mine when they get too grubby to use.

-- You can do that, or knead them and mess around with them until it starts getting cleaner. That's how you're supposed to clean them.

~Xxlifedistortionxx