Spark Plug Wireless Controller Accessory Pack: Using the Sparkplug dongle, this innovative controller from Scalextric allows you to pair a wireless controller (included) to any recent Scalextric powerbase Effortless Replacement: Features an easy to use design with no tools required — designed for straightforward integration with recent Scalextric powerbases. It includes a Sparkplug dongle that connects to the powerbase, allowing the included wireless hand controller to pair seamlessly Smooth Performance: Helps maintain optimal racing track control, enhancing your kids Scalextric cars' stability and flexible car track adherence for thrilling races that anyone can enjoy Durable Design: Crafted for long-lasting use, this controller supports continuous play, making them ideal for any slot car race tracks enthusiast Scalextric Compatible: Specifically designed for any 1:32 Spark Plug, ARC AIR/ONE/PRO Sets, ensuring easy integration with your speed racing setup