BUILD IT! JUMP IT! CRASH IT! SMASH IT! DO IT AGAIN! Introducing the all-new Monster Jam Monster Dirt Starter Kit! From the makers of Kinetic Sand comes the all-new, life-like Monster Dirt that mimics real Monster Jam conditions! This gritty starter set adds a new level of fun and a whole new way to play with all your favorite Monster Jam trucks! Mold, build, and jump over realistic ramps.