What is something you can collect like crazy bones or pokemon cards?

I need lots of ideas! Thank you!What is something you can collect like crazy bones or pokemon cards?
stamps

baseball cards or any sport

currency

rocks

movies

uh...

beanie babies

pogs lol

uh

**** i dont know...anything

If I collected cans of surge and crystal pepsi Id be rich right now...damn if only i saw that coming
sea shellsWhat is something you can collect like crazy bones or pokemon cards?
Chewed Bubble Gum!