N scale test track total length 50cm, with six sets of bearings and connecting line.
Adapt to the N scale train model of most brands on the market.
Used to test, repair, display N-scale model train use, let the train idling above, to determine the train failure by identifying the train's operation, sound, etc.
High-precision printing of 3d printed parts ensures installation accuracy and module strength.
How To Use: After the line is connected as required, let the train run on it, detect faults or display.