When my poodle's puppy teeth were falling out, we'd find them everywhere. I kept them in a bottle.
I also have some Trinitie (don't tell the government) stored in a radio active corked bottle.
Then there's the glitter (the herpes of craft supplies) lots and lots of glitter.
Close To My Heart has a new paper pack called Mischief that has a paper with funny/spooky labels. I used them to complete my evil lab collection of bottles.
I used this cute Mischief paper from Close To My Heart and cut out the "labels" for the bottles. I'm linking to: