In our house in uni we had one of those Kellogs stop-o-meters delivered to our address by mistake. We wanted to get it up to 99,999 then see what happens afterwards. It had to be by shaking it, not walking with it.
We got it up to the high 70,000s and one guy sat on it and it reset. It took a long time before anyone picked it up again and it never got above the 60,000s.