How do you do the martin gardner 8 coin puzzle?

To solve the Martin Gardner 8 coin puzzle, start by arranging the eight coins in a circular formation. The goal is to find a way to remove three coins such that the remaining five coins can be arranged in a straight line. One effective method is to visualize the arrangement and strategically choose three coins to remove that allows the remaining coins to align properly. Experimenting with different combinations will help you achieve the solution.