Alright, so I decided to build some inventions in single player mode. One of my inventions is a sticky piston pushing 2 sand blocks stacked on others to make automatic stairs when someone steps on the pressure plate. So, I stepped on the pressure plate, and I noticed that the sticky piston worked the first time, but the
second time, the top of the piston disappeared like this:
second time, the top of the piston disappeared like this:
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