Fast doesn't have to mean loud anymore! Come speeding into the 21st century and open up a new world of fun and creative track design. Whether you're going for a jump, loop, or just need speed coming out of a turn the adjustable speed and dual motor design has just the right amount of power for almost any situation. This track booster is compatible with most 1/64th scale car and track systems (both new and previous generations, using optional connectors), making it a versatile addition to your collection. It's perfect for anyone looking to build custom tracks and keep the action going, with all-day play powered by the included rechargeable 9V Li-ion battery. *Compatible with most but not all cars, top heavy cars tend to tumble **Cars and track shown for demonstration only and are not included