Used just a few times so in good condition. X-Maxx is an all-new, clean-sheet design, engineered from the start to take Traxxas Tough to a whole new level. Unrelenting 4X4 power, mammoth size, and ferocious determination makes this mighty monster a truly worthy successor to the Maxx legacy. Exclusive Self-Righting. Before X-Maxx, monster trucks would sometimes roll over upside down, bringing the action to a screeching halt. Now, press a button and in most cases this exclusive patent-pending Traxxas innovation flips X-Maxx back over onto its wheels so that you can quickly get back to having fun.