Mr. Magnet pours some liquid nitrogen into a cup....

and makes liquid oxygen, which is paramagnetic and sticks to the magnets! A magnetic liquid!

Here a cold terbium metal piece is slowing warming up and reaches the Curie temperature (where it loses its ability to stick to the magnet) at -57deg C.

Here's Mr. Magnet's "Boomer", which shoots 2kJ of energy into a coil which blasts off a pad of aluminum foil. Usually he puts Garfield or Elmo and launches them, but there was a sprinkler head right above us! Once, he launched Elmo at full power for an elementary school demo and Elmo's limbs went flying off!! All the kids were crying for Elmo!!

Here's what happens to a pad of aluminum foil with a radial cut held down to the coil by bricks.

And if you put a sheet of copper on the coil with a "mold" (a roll of tape in this case) held down by bricks, you get a nice copper dish!

Here's a demo of a levitating dish by an AC magnetic field. Pretty impresive levitation of a frying pan!

Here's Mr. Magnet's museum quality plasma demo.