Differences 6V - 12V:
1. To 6V cars have one gear, the 12V cars have 2 reinforced gear with twice the force.
2. The cars have one 6V battery, the cars have two 12V batteries reinforced for greater effect, durability and quality.
3. The 6V cars have one speed, the cars have 12V 2 speed selection later fast / 3-5Km / hr, in the front - rear-wheel drive vehicle.
4. The 12V motor is enhanced in the trunk, electrical and electronic parts of the vehicle.