You should see if there is a flea market or anything like that by you, there's almost guarantee to be a guy selling old and collectible coins. I used to go with my dad on the weekend and spend a few dollars, it was pretty fun.
I used to also collect coins in circulation but since you can buy some pretty old coins for cheap, I just found that a lot more fun. Getting a wheat penny, a silver dollar, or even some foreign coin like a national socialist penny was just cool. Old coins are more likely to appreciate in value also, current coins are worth nothing and not likely to be worth anything in the next 100 years. Buying a silver dollar, some old dimes, some cool looking foreign coins, or even a wheat penny is just a lot more fun than current coins because they're harder to find.
Another thing about coins older than 1984, the scrap value is higher than face value. Though it's illegal to melt them down.
