| 摘要 |
A toy car game has track(10) with tow lanes(20,22)each with pick up strips. The track has inner and outer side walls (14,16). A constant speed drone car(28) moves along one track, two other car(24,26) are individually speed controlled to pass this car. Each car gas an electric motor reversible to drive either one of its rear wheels. This causes the car to veer in the opposite dirction. If this is away from an adjacent side wall, the car moves across to the other lane for overtaking.
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