Get ready for extreme Monster Jam action with the Grave Digger vs. Maximum Destruction Building Set! This set comes with over 100 parts to build two of the most popular monster trucks in Monster Jam at the same time, with K"NEXmen drivers. And with both monster trucks powered by pull-back motors, you can compete head-to-head or side-by-side, driving over ramps and crashing into spare tires and bricks - all included! The wedge-shaped box can be used as an extra ramp. Step-by-step building instructions included. Recommended for builders ages 5+. K"NEX is the only U.S. construction toy company focused on Building Worlds Kids Love™. K"NEX seeks to build young minds and encourage them to imagine, build and play with its exciting product line specially designed for kids ages 2 through 12. Creative open ended play, educational benefits, and family fun are just a snap away with K"NEX!