Hot Wheels Monster Jam Tour Favorites #1 Set of Four - Grave Digger 30th Anniversary - Iron Man, Bone Shaker, Monster Mutt, and Mechanical Mischief Set of 4 Monster Jam Hot Wheels Trucks. Collectible. Bring home the action of the Monster Jam tour circuit. Authentic 1:64 scale monster trucks. Comes with oversized tires and rims.