The Eyeballing Game is a wildly addictive way to test your ability to see and make shapes, lines, and angles.
Created last September by an Ontario carpenter, the game gives you three cracks at seven geometric tasks: bisecting angles, making parallelograms, and finding the midpoints of triangles, circles, and lines. We got a 4 the first time out — as in golf, the lower the tally, the better — but improved considerably over the course of an hour. (Yes, an hour! We warned you it was addictive.)
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