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Externally rubber-band powered car

I am now making a externally rubber-band powered car by using recycled item.Can any experienced one tell me I should used 2 or 1 wheels for front wheels pls?I will appreciate your help a lot~thanks~

Note by Yan Ru Yee
4 years, 5 months ago

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2 Harshit Kapur · 4 years, 5 months ago

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