Stumble appeal By are bowling balls hollow President Absolute engine
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Not a bowling ball... It's 25” around, has 1 large 1.25” hole with a hollow interior and 2 small 'holes' about 1/2” deep. It's also very very heavy. What is this thing?!? : r/magnetfishing
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Are Bowling Balls Hollow? What are they Made of?
The inside of a bowling ball : r/interestingasfuck
The inside of a bowling ball : r/interestingasfuck
Are Bowling Balls Hollow or Solid? What are They Made of?
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