Electric, Train 4.5V Whistle Adjustable with Yellow Base
| Bricklink ID: | x870bc01 |
| Weight: | 5.100 g |
Sets with this part (from Bricklink)
Part color Black| Set name | Release year | Quantity | |
|---|---|---|---|
 | 139 Electronic Control Unit (F/B-Stop) | 1969 | 1 |
 | 138 Electronic Train, F/B-Stop | 1968 | 1 |