Obtain a fresh, sharpened pencil
Thread through each hole a length of cheerful yarn,
along which you've strung a small counterweight.
A washer, your car keys, whatever. Anything with
weight, and a hole wide enough for string.
I'm using my pager, which hasn't gone off in eight
months. I think it needs a new battery.
Wrap white paper around each end. Use black electrical
tape to seal two cans together in a continuous tube.
After many hours in the magic
lab architecting one wand, you probably
won't be in the mood to produce
a second one. But therein lies the
whole point, I guess.