This is the Mood 1:18 Scale 4WD Rock Spider with a Brushed Motor that comes Ready to Run by ECX. Crush all terrains with the ECX Mood Rock Spider. The Mood is among the most budget-friendly 18-scale rock crawlers on the marketplace. Rock crawlers include scale realistic look to the driving experience by mimicing the off-road rigs that dominate high slopes and endure the trails in the most ruthless of terrain. While they might not be the fastest vehicles in RC, rock crawlers have the muscle conquer the meanest of slopes. The Mood rock spider has a weak point for conquering the most unforgiving areas thanks to a 4WD drivetrain, multi-link suspension in addition to the extreme durability drivers have come to anticipate from ECX brand vehicles.