I remember them as a kid in the 60's. We used to be entertained for hours taking one apart.Many of the balls had a liquid center encased in a rubber ball and then wrapped in miles of tiny rubber string and then the outer jacket with all the dimples
in them.
Drill into it. ;-) You are talking less than a teaspoon of liquid.How do you tell if a golf ball has a liquid center?
How many licks does it take to get to the center???How do you tell if a golf ball has a liquid center?