Read the oldometer. That's how many miles I've got on this body. Aged 40 Years. 40th Birthday gift tee for people born in 1980. Vintage Oldometer 40th Birthday Counting. Make a cool gift for your dad, mom, grandparent, friend who are turning 40 years old. Have a man turning 40 in your life? Does he love cars, racing and anything with an odometer? Then this is the perfect 40th birthday gift for him! This 40th birthday gift is perfect for dad, papa, grandpa, husband, boyfriends and any other man in your life!