Anyone who has ever seen a monster truck will have wished they could clamber up behind the wheel and have a go at driving one themselves the massive 66 inch terra tyre wheels amazing 75 litre engine and the fact that you feel like king of the road when youre perched up so high all explain just why this awesome vehicle is known as grizzly and once youve tried driving one of these immense vehicles you might just find youre hooked the experience starts with a safety briefing and intr