Building a TT:120 layout in 2026 is getting easier as more manufacturers are producing items in the scale
Why TT:120?
TT:120 can be a great space saver while not losing detail. Moreover, you can fit a 1st radius oval of TT track on a 2′ x 4′ baseboard. However, not all locomotives can traverse 1st radius track. Notably, the locomotive in the starter set below can, but this set comes with 3rd radius curves.


Train sets
Hornby has released a starter TT:120 train set that is less than £100. This is a good place to enter the otherwise expensive world of TT.

Locomotives
Locomotives are available from Hornby. At present there are not many TT locomotives available on the secondhand market.
Track
TT:120 Track is available from Hornby and Peco
Vehicles

Road vehicles in TT:120 are still quite limited. Oxford Diecast has a small range of ready-to-use vehicles. Non-UK manufacturers also make UK type resin vehicles that need painting. For example, Panzer Shop has a print-to-order Land Rover available.

Buildings

Animals and scenery
Guagemaster manufactures a set of farm animals.