A monster truck is a modification of an average truck with huge wheels. The basic purpose is for entertainment galore. There are more and more people enjoy seeing these monster trucks destroying almost everything in monster truck rallies.

The Monster truck rallies involve a huge truck that simply squeezes and crushes the smaller vehicles that scattered around. More than just crushing smaller vehicles, they are able to run over several man-made barriers.

They are generally can be controlled via remote controlled shut-off switches that are commonly known as the Remote Ignition Interrupter (RII). The purpose of this RII is the prevention of accidents if the truck driver losing control of the vehicle.