The Hornby C912 Power Unit is a 230v to 13v transformer specifically designed for Scalextric railways. Made in China by the renowned brand Hornby, this power unit is a crucial accessory for controlling and powering your Scalextric train sets. With its compact design and reliable performance, this transformer is the perfect addition to any Scalextric enthusiast's collection, allowing for smooth and uninterrupted operation of their miniature trains.