I like trains
wow i can see it now
It's less impressive that Derpy's wearing magnet shoes and more impressive that she apparently attached steel plates to the ceiling so that she could use them.
Most ceilings are not composed of ferrous materials.
"How are you doing that?"
derpy is made of metal or at least his hooves are
it is the only explanation for how those magnets are sticking....
or he superglued it....