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

Seated Railway Traveller : Preiser - Finished product HO (1:87) 14072

Trailer House (2-storey) [with LED] : Woodland Finished product HO(1:87) BR5061

Epoch 3 era electric freight trailer (Post Office): Preiser unpainted kit HO(1:87) 17121

Epoch Electric Freight Car with Trailer (DB German Federal Railways Specification) : Preiser Finished product HO(1:87) 10256

BELGIUM RAILWAY OFFICER : Preiser - Painted HO(1:87) 10244

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

Miniatuart mini Christmas ver. [Christmas Tree] : Sankei Kit Non-scale MP05-11

Kumamoto Dentetsu MoHa 201 : Yoshiaki Nishimura HO 1:80scale

Trailer House [w/LED] : Woodland Finished product model HO (1:87) BR5060

Trailer House [w/LED] : Woodland Finished product N (1:160) BR4950

Trailer House (2-storey) [with LED] : Woodland Finished product N(1:160) BR4951

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

The Railway Man : Prizer - Pre-Painted HO (1:87) 10453

German Railway Staff : Preiser - Painted 1:32 63094

Railway Staff : Prizer - Pre-Painted HO (1:87) 14141

Trainman and Traveller : Preiser - Finished product HO (1:87) 10570

Railroad Maintenance Worker : Prizer Finished product HO(1:87) 14033

German DB railway staff and passengers: Preiser, painted 1:43 65339

Railway maintenance worker carrying sleepers: Preiser, complete painted N (1:160) 79034

Railway Staff : Preiser Finished product Z (1:220) 88510