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I don't know why somebody downvoted you, but I am sure you are right, there is a magnet in the base
It's not trickery and not perpetual motion. Look uo this thing. Just a simple ramp. No magnets or anything. It's really not a big deal, just a neat desk top item.
bullsh, laws of physics dictate that a ball you drop down a ramp won't fly higher than it's potential energy was, like a pendulum will not get higher. there's a electro magnet in the foot accelerating the steel marbles, otherwise they'd get too slow to get back to their previous level....