K"NEX Monster Jam Gravedigger Action Pack Building Set: · Special edition silver truck · Recreate a Monster Jam live event · 44 pieces · Build your own freestyle events with the most popular Monster Jam monster truck · The wedge-shaped box can be used as an extra ramp · Step-by-step building instructions included · Recommended for builders ages 5 and up · Includes 2 ramps, 12 tires and 4 crushed cars · Product model No: 57108