40 Minutes diy tractor mini traffic lights science project | DIY mini tractor trolley heavy truck
40 Minutes diy tractor mini traffic lights science project | DIY mini tractor trolley heavy truck
Watch more: • 40 Minutes diy tractor mini traffic lights...
Join us for a 40-minute tutorial on building a DIY mini tractor with traffic lights and a heavy truck trolley. This video demonstrates the engineering behind these innovative science projects.
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