You don't even need magnets or wires for this. If even one of the sides of that clear container was open, then the breeze from the hand's movement would be enough to explain it's movement.
However, chi doesn't work that way. Chi/Ki is a method of understanding the workings of the body and your bloodstream. Through knowing yourself, you are able to get more from your own body. It has nothing to do with using telekinesis to harm your opponent, pyschic powers to demoralize them, or fireballs to kill them.
However, if they were legit, I would suggest that they look into the Million Dollar Paranormal Challenge from the Randy Educational Foundation
. If they don't want the million dollars, then the institute will donate the money to a charity of their choice. Note, this prize has existed for 42 years and there have been no claimants that have even passed preliminary testing.