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

60 German Railway Employees in the 1950s: Preiser - Painted HO (1:87) 13004

Normal Fence-C : Icom pre-painted assembly kit 1:144-N(1:150) EP-40

Micro pack glowing grass bushes - springtime : Miniatures Nature Materials Non-scale 737-31m

Stone material R Stone Coal N 1:150 : Molin Material N (1:150) CL-01

Railway Worker : Preiser - Painted 1:50 68202

German Railway Staff : Preiser - Painted 1:32 63083

Children : Preiser - Finished product HO(1:87) 10183

Wooden drainage ditch: Woodland unpainted kit HO (1:87) 1265

Stone material R-stone river stone for ravines, small, dark grey : Morin material, non-scale 571

Railway Staff : Prizer - Pre-Painted HO (1:87) 14140

Micropac Small grasses - budding spring : Miniatures Nature Materials Non-scale 717-21m

Curved embankment parts - inclined part (2 pieces): Moline material TM-12

Embedded pins without holes 1.2mm : Sakatsu Material Non-scale 6512

Stone material R-stone River stone Small rock Grey : Morin material Non scale 525

Micro pack 88 nights, field of sprouts : Miniatures Nature Materials Non-scale 729-11m

Tsumesho A : Baioudou HO(1:87) Pre-colored Kit ST-036-87C

Drive-In Dyna [w/LED] : Woodland Finished product N (1:160) BR4929

Insulated joiner for code 55 and code 80 : Pico (Pico) Material SL-311

A small patch of grass - winter is coming : Miniatures Nature Materials Non-scale 717-24

Arched Car Stop-A : Icom Pre-Painted Kit 1:144-N(1:150) EP-49