Unlike nitro cars, petrol RC cars run on a mix of normal unleaded petrol and 2 stroke oil. Both of these are available from any petrol station which makes them more practical and cheaper to run than a nitro model. You simply pour in some unleaded petrol into a bottle and then top up to the second marker with the 2 stroke oil. This oil is usually found inside petrol stations with the other oils. If you look at other 1:5 scale petrol RC cars on the market you will see even though they are more expensive they usually don't include everything you need so you have to go out and buy your own radio equipment, special 1:5 scale steering servo, electronics battery pack and charger. With our petrol RC cars everything you need is included, even a high capacity rechargeable battery pack with UK charger and a tool kit with all the tools needed to maintain them.