Re: 9 volt system
Stop worrying about the switches becoming reversed. In order to reverse any of your motors, you have to reverse either the internal field connections or the brush connections, it doesn't matter which pair, it's the relationship between the field an brush connections that has to change. That's why just changing polarity will not change direction of those DC motors. Buying the best 6V battery that will fit would probably be your best bet and most trouble-free. ..B.
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