4548-1
Transformer and Speed Regulator
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 – 4548-1 Transformer and Speed Regulator
3 lines, 3 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
 | 70930 | Electric Adapter / Transformer, 240V 50Hz, Train Speed Regulator 9V (Australia)Electronics | Black | 1× | |
 | 2868b | Hub / Controller, Train Speed Regulator 9VElectronics | Black | 1× | |
 | 5306c01 | Wire with Brick 2 x 2 x 2/3 and Train Track ContactsElectronics | Dark Gray | 1× |