Materials of Energy Car Cotton string Card board Steel wire Balsa Cable Tie Foam board Wooden rod
Energy Car – basic assembly
Energy Car - Frame Inclined frame by the different diameter of wheels
Energy Car - Frame
Energy Car - Frame The ways to level the frame: (Reduce the friction) Card Board Card Board
Energy Car - Frame
Energy Car - Frame
Energy Car – Wheels & Shafts Straw
Energy Car – Wheels & Shafts
Energy Car – Wheels Reinforce wheels
Energy Car – Wheels
Energy Car – Wheels
Energy Car – Wheels Single wheel straw straw straw
Energy Car
Energy Car