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在魔术师的控下，
红绿灯说变红就变红，
说变绿就变绿……变化多端、神秘莫测。
Traffic Light Paddle
A plastic paddle with three different colored spots.
Red spots are shown on both sides.
Suddenly the spots change to YELLOW, then change to GREEN!
Finally 1 spot is RED, one YELLOW & one spot is RED!
