The Anki Overdrive curved track piece is a plastic on-road track piece designed for 2WD electric cars. It is ready to go out of the box and has been tested to ensure it is in working condition. The track piece is an essential part of the Anki Overdrive racing system, allowing users to create complex and challenging tracks for their cars to follow. With its brushed motor type and durable construction, this curved track piece delivers an exciting and immersive racing experience for enthusiasts of all ages.