They say smell creates the most powerful memories.  I'm not sure who "they" are, but I trust them . . . because they're right. 

Ever smelled something that just ROCKETED you back to when you were a kid? What scent takes you back to your childhood? Here's are the poll results.

 

Fresh-cut grass... 40%

An old lady's perfume that reminds you of your grandma...18%

Play-Doh...13%

Vicks vapor rub and other cold and cough medicines...13%

Bonfires... 9%

Pencil shavings... 4%