Hoi Cheng Yang
Chong Mae Gern
Darveen Roshen S/O Ravindra
13 years old
Physics, Math, English, Programming, Design
Description or Achievements and Skills Involved
An extra petrol tank in the car. When the main tank of your car is low on fuel, you can press a button to allow the petrol from the emergency tank to flow to the main tank and continue driving till you find a petrol station.