Electric, Train 4.5V Whistle Control Block 4 x 8 x 2 with Forward/Stop/Reverse Functions
| Bricklink ID: | x871b |
| Weight: | 28.000 g |
Sets with this part (from Bricklink)
Part color Trans-Clear| Set name | Release year | Quantity | |
|---|---|---|---|
 | 139 Electronic Control Unit (F/B-Stop) | 1969 | 1 |
 | 138 Electronic Train, F/B-Stop | 1968 | 1 |