| 摘要 |
Two playing pieces each include a body portion, a shield having at least two hinged segments attached to the body portion, a first control mechanism operable to select one of the hinged segments as a blocked segment, a projecting element attached to the body portion and having a raised position and at least two lowered positions, and a second control mechanism operable to select one of the lowered positions as an active position. The two playing pieces can be placed on a track structure at opposite respective ends for movement towards each other along respective paths of movement. In one possible outcome, the projecting element of one of the playing pieces strikes the blocked segment of the shield of the other playing piece and in another outcome the projecting element strikes an unblocked segment of the shield of the other playing piece.
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