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How to follow many balls at once

Following several moving objects depends mostly on where you put your gaze and how you organize what you see.

  1. Look at the center of the group, not at a single ball: peripheral vision detects motion better.
  2. Mentally group the target balls into a shape, such as a triangle or a line, and follow the shape.
  3. Memorize where they are before they start moving, not while they move.
  4. If two balls cross, don't switch targets: trust the path they were on.
  5. Rest your eyes: with the screen very close or very bright it's harder.

Start with few balls and add one more only when the previous count feels safe.

Try it out: Shell game

Guides to improve

Practical tips for the game. They are not medical advice and don't promise to improve your health or intelligence.