Your search for "rail for mini mini train" revealed the following:

Railroad Maintenance Worker : Prizer - Finished product HO(1:87) 10602

Railway Scales and Uncle (Trackside Scale) : Woodland Unpainted Kit HO(1:87) D231

Railway Engineer : Woodland Finished product N (1:160) 2147

Home 30A Extension : Sankei Kit HO(1:87) MK05-25

Danbury Freight Station [w/LED] : Woodland Pre-painted HO (1:87) BR5023

11-108 Powered Chassis for Pocket Line Tram : KATO N (1:150) Power Unit

The Cradle of Monorail : Shin Tachikawa Finished product Non-scale

Fence A: Sankei Kit N (1:150) MP04-57

Glowing grass bushes - springtime : Miniatures Nature Materials Non-scale 737-31

Single Track Truss Bridge : Walthers Unpainted Kit HO(1:87) 3185

Tin Shed : Woodland Finished product HO (1:87) BR5056

Tunnel Portal Concrete Double Track Grey 2pcs : Popopro Prepainted N (1:150) MS-004

Grand Gazebo (with LED) : Woodland HO (1:87) BR5035

080-00011 Choshi Electric Railway Station Employee 3 : Tiny Tales - Completed Colored HO (1:80)

TL-33 Tunnel liner for Tsugawa Yoko double track (1 piece): Molin material N (1:150)

Railway Staff : Prizer - Pre-Painted HO (1:87) 10375

Locomotive : Sankei Kit HO(1:80) MK05-44

Street light with LED, wooden pole type, N size, set of 3, JP5638 : Woodland, painted and ready to use, N (1:160) Just Plug compatible size

Autumn Valley Module : Kazutaku Itoh Pre-painted 1:150 Scale

Epoch Electric Freight Car (DB German Federal Railways Specification) : Preiser Finished product HO(1:87) 28147