Question

any idea to for the mechanism besides batteries?

The car should be built from recycled materials (at least 90%) Size of car: Max. 30 (L) x 21 (W) x 21 (H) (cm) Weight of car: Max. 3 kg The car should run and stop by itself without any external assistance (e.g. fan) You may use any mechanism to run the car but batteries of power The distance for the car to travel is 5 m for the preliminary (shortlisting) car competition. There could be hurdle on the car running track during the final competition. Make sure your car is ready to be calibrated to face the challenges during the competition. are not allowed to be used as source C

Answer 1

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