The Rivarossi Union Pacific 4-6-6-4 Challenger Locomotive #3976 & Tender in N Scale is a detailed model steam locomotive replica perfect for model railroad enthusiasts. This locomotive features a tender car for added realism and authenticity, making it a standout piece in any N scale collection. With the renowned brand of Rivarossi, you can expect high-quality craftsmanship and attention to detail in this model representation of the iconic Union Pacific locomotive.