107-3
4.5V Reversible Power Unit
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 – 107-3 4.5V Reversible Power Unit
9 lines, 24 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
![Part 468c01 Battery Box, 4.5V 7 x 11 x 3 Type 1 [Complete Assembly] in Blue](https://cdn.rebrickable.com/media/parts/ldraw/1/593c01.png) | 468c01 | Battery Box, 4.5V 7 x 11 x 3 Type 1 [Complete Assembly]Electronics | Blue | 1× | |
 | 996ac01 | Electric Connector, 1 Way Male Rounded with Hollow Pin (Banana Plug)Electronics | Blue | 4× | |
 | upn0284c02pr0001 | Motor, Train, 4.5V 12 x 4 x 4 Type I with '4.5V' PrintElectronics | Blue | 1× | |
![Part 74503 Wire 12V / 4.5V with Two Leads [Undetermined Length] in White](https://cdn.rebrickable.com/media/parts/photos/15/x466-15-d2588fde-efc4-4354-9c4b-2453fd6c76da.jpg) | 74503 | Wire 12V / 4.5V with Two Leads [Undetermined Length]Electronics | White | 1× | |
 | 3058b | Plate Special 6 x 16 with Motor Opening WidePlates Special | Light Gray | 1× | |
 | upn0384b | Train Wheel with 2 x 2 Stud Center, Beveled Tread and Cam Axle for MotorWheels and Tyres | Red | 4× | |
 | 132a | Tyre Smooth Old Style - SmallWheels and Tyres | Black | 4× | |
 | 458 | Tyre for Train Wheel for Electric Train Motor 12VWheels and Tyres | Light Gray | 4× | |
 | 7039b | Wheel Old with 4 Studs and Axle Cam for MotorWheels and Tyres | Red | 4× |