To win this post-WWII game, tilt a homemade racetrack back and forth to guide 10 marbles into high-scoring slots before one of the marbles passes the finish line. "Everyone naturally wants to guide as many marbles as possible into the 100-point stall. But that's a risky business, for just ahead lies the finish line. One slight error in judgement, and a marble might slip though." I'm sure the crafty PopSci readers of old were eager to take that tiny DIY diagram out to the workshop.
Read the full story in Marble Dodging Race Calls for a Quick Eye.