Read the oldometer. That's how many miles I've got on this body. Aged 20 Years. 20th Birthday gift tee for people born in 2000. Vintage Oldometer 20th Birthday Counting. Make a cool gift for your dad, mom, grandparent, friend who are turning 20 years old. Have a man turning 20 in your life? Does he love cars, racing and anything with an odometer? Then this is the perfect 20th birthday gift for him! This 20th birthday gift is perfect for dad, papa, grandpa, husband, boyfriends and any other man in your life!