Last week we build a charge up dragster. There were 2 parts to the build, the charging tower with the motor and the dragster car. The tower had a lever that lifted the car off the ground and connecting the car wheels to the motor through a series of gears. The wheels gain up speed so that when the car is brought back to the ground the car drives off. This was probably my favorite build so far to do with the class because of its complex gears and features.
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