7864-1
Transformer / Controller 12V
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 – 7864-1 Transformer / Controller 12V
20 lines, 34 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
 | 3008 | Brick 1 x 8Bricks | Black | 2× | |
 | 3001 | Brick 2 x 4Bricks | Black | 2× | |
 | 3941 | Brick Round 2 x 2 with Axle HoleBricks Round and Cones | Black | 4× | |
 | 3038 | Brick Sloped 45° 2 x 3Bricks Sloped | Black | 4× | |
 | upn0260 | Control Switch, Train 12V Transformer Speed ThrottleElectronics | Black | 1× | |
 | 7864c01 | Electric Adapter / Transformer, Train 12V, 220V Type 1Electronics | Light Gray | 1× | |
![Part 765c01 Electric Connector, 1 Way Male Squared [Complete Assembly] in Light Gray](https://cdn.rebrickable.com/media/parts/ldraw/7/765c01.png) | 765c01 | Electric Connector, 1 Way Male Squared [Complete Assembly]Electronics | Light Gray | 4× | |
![Part 74503 Wire 12V / 4.5V with Two Leads [Undetermined Length] in Light Gray](https://cdn.rebrickable.com/media/parts/photos/7/x466-7-25bbfc56-279c-42a8-977e-b193111f3579.jpg) | 74503 | Wire 12V / 4.5V with Two Leads [Undetermined Length]Electronics | Light Gray | 1× | |
![Part 108681 User Guide, Information Note for Parents, 12V Transformer - 108681 in [No Color/Any Color]](https://cdn.rebrickable.com/media/parts/photos/9999/108681-9999-dd90e47d-20ab-4e1c-9926-ff1fd150dfd0.jpg) | 108681 | User Guide, Information Note for Parents, 12V Transformer - 108681Gear Parts | [No Color/Any Color] | 1× | |
 | 3666 | Plate 1 x 6Plates | Black | 1× | |
 | 3020 | Plate 2 x 4Plates | Light Gray | 2× | |
 | 3032 | Plate 4 x 6Plates | Black | 1× | |
![Part 3738 Technic Plate 2 x 8 [7 Holes] in Black](https://cdn.rebrickable.com/media/parts/elements/373826.jpg) | 3738 | Technic Plate 2 x 8 [7 Holes]Plates Special | Black | 1× | |
 | 3704 | Technic Axle 2Technic Axles | Black | 1× | |
 | 3706 | Technic Axle 6Technic Axles | Black | 1× | |
 | 3707 | Technic Axle 8Technic Axles | Black | 1× | |
![Part 3701 Technic Brick 1 x 4 [3 Pin Holes] in Black](https://cdn.rebrickable.com/media/parts/elements/370126.jpg) | 3701 | Technic Brick 1 x 4 [3 Pin Holes]Technic Bricks | Black | 2× | |
 | 3713 | Technic BushTechnic Bushes | Light Gray | 2× | |
 | 3650a | Technic Gear 24 Tooth Crown with Flat TeethTechnic Gears | Light Gray | 1× | |
![Part 3648a Technic Gear 24 Tooth [Old Style - Three Axle Holes] in Light Gray](https://cdn.rebrickable.com/media/parts/ldraw/7/3648a.png) | 3648a | Technic Gear 24 Tooth [Old Style - Three Axle Holes]Technic Gears | Light Gray | 1× |