To experience the rubber hand illusion, you'll need a fake hand of some kind —
an inflated rubber glove will often do the trick — a flat piece of cardboard and two small paintbrushes.
Have a friend place a fake hand — a novelty rubber one from a costume store, even
an inflated rubber glove — beside your real hand, but in full view.
Filling a rubber glove with dry ice, tying off the wrist, and watching it inflate turns an otherwise worthless rubber glove into a completely valuable
inflated rubber glove, which you can then show to people as you say, «Look!