Back in the days when there were less maps we played every map back to back
Ooh a little higher, now a bit to the left, a little more, a little more, just a bit more. Oooh yes, that's the spot!
This happens pretty frequently if you're rough with your lever. The rules even warn you about it.
Rules? There's rules? Maybe I should have a look at those. I thought there was just instructions for putting the thing together. I was taught the game by somebody else and it never even occurred to me that the were rules
And back to the original question. Yes be gentle, they can fall down.