About the NEW Z Shorty series of trains... *Z Shorty length is almost half-size of original Z scale railroad cars! *Highly detailed appearance! *Some feature etched metal parts *Z Shorty can run on regular Z scale Rokuhan tracks with motor, chassis and trailer chassis (sold separately). *Smallest track size (160mm x 110 mm with R45 curved tracks). This powered motor chassis is a type "A". PLEASE ALLOW A FEW EXTRA DAYS FOR DELIVERY AS THESE COME FROM OVERSEAS.