Put a new set of balls in WOZ a couple of days ago that I had laying around from one of my other pins and it did not take long for them to start disappearing. They would be stuck together down in the ball trough and did not want to roll out of there. I had already ordered a new carbon set for WOZ but figured these would make it through the holiday before becoming magnetized. Wrong! Only took a few games before they started sticking to each other and the ball trough. So if you've changed balls and then lost them, check in the trough. It happened super quick.

Just the wrong balls for the machine I'm sure. The standard steel balls get magnetized pretty quickly VS the carbon type that came in the game originally. The set I threw in there were for my Who Dunnit and it doesn't have any magnets on the playfield. Put the old ones back in till the new ones get here and all is back to normal.

Trying these. Not sure they are the best but I'll give them a go. http://www.marcospecialties.com/pinball-parts/PB116

Thanks. I'm going to order a set of these too. You can't ever have to much balls

This is a really good idea. Maybe even in the ball trough. Hmmm, would a tiny degausser work? Definitely like your thinking here.

Damn..., their goes the profits.

VHS bulk tape eraser sounds like a really good possibility. But you do bring up a good question on will it demagnetize or just realign the magnetic field. Degausser would definitely demagnetize but not sure on the tape erase head. Get down here to Arizona quick and will work it out over a few beers. Looks like you have the right hat on for the visit

Oh...okay. But back to this in the morning. Merry Christmas !!