Complete HO unitrack oval set enables immediate model train layout expansion
Integrated KATO SX DC power pack provides reliable power for compatible locomotives
Factory-attached ballasted plastic roadbed ensures stability and realistic appearance
Unijoiners included for seamless track connections
Summarized by Shop
The KATO 3-105 (HM1) is a complete HO Unitrack starter set — a basic oval of HO Unitrack plus the KATO Standard SX DC power pack, ready to run an HO train out of the box. KATO HO Unitrack system: Code 83 nickel-silver rail molded into a factory-attached ballasted plastic roadbed, with integrated UniJoiners.