3 ms·
If you search for "perpetual motion machine" you can find a ton of cheap knockoffs of this device. You can get a badly made wooden knockoff for $50 or quite a b
by itigtohft 3y ago
If you search for "perpetual motion machine" you can find a ton of cheap knockoffs of this device. You can get a badly made wooden knockoff for $50 or quite a bit less?