157-2
Automatic Direction Changer
Building instructions
The building instructions are on the official LEGO website. We do not host any instructions ourselves; the link below takes you to the official page.
View building instructions on LEGO.com (opens an external website)This set on Rebrickable (opens an external website)
Parts list – 157-2 Automatic Direction Changer
4 lines, 7 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
| 996ac15 | Wire with 4 x Blue 1-prong Connectors 4.5V, Hollow Pins 15LElectronics | White | 1× | ||
 | upn0314c01 | Electric Train 4.5V Automatic Pole Reverser Brick 4 x 9 with Magnet Holder and Small Blue Train MagnetMagnets and Holders | Light Gray | 1× | |
 | 737ac01 | Plate Special 2 x 4 with Train Coupler Open with Magnet Short Cylinder RedMagnets and Holders | Red | 1× | |
 | 3218 | Train Direction Switch - 4.5V 2 x 3Transportation - Land | White | 4× |