Thanks, me too. I have a collection of toy give-a-way 50mm "optical" lens cameras, but found that they are made so flimsy that when you rewind the camera you are likely to break the reel - way too lightweight and cheap. This is my fix for that - auto rewind and advance. No more risking breaking the camera just to rewind the film AND I can still get those lovely optical lens photos. Not to mention, now I have plastic chrome!
You can find these on ebay all the time, but not all of them have plastic chrome.