Place the neodymium magnets on the track and place four or five ball bearings in a line touching one side of the magnets. When you are ready to fire it, nudge the single ball bearing so it slowing rolls toward the magnets.
Place the neodymium magnets on the track and place four or five ball bearings in a line touching one side of the magnets. When you are ready to fire it, nudge the single ball bearing so it slowing rolls toward the magnets.
Comments
No Comments Exist
Be the first, drop a comment!