503-1
Basic Building Set
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 – 503-1 Basic Building Set
19 lines, 39 pieces
| Image | Part | Name | Colour | Quantity | Note |
|---|---|---|---|---|---|
 | 3004 | Brick 1 x 2Bricks | Blue | 3× | |
 | 3004 | Brick 1 x 2Bricks | Red | 4× | |
 | 3004 | Brick 1 x 2Bricks | Yellow | 3× | |
 | 3010 | Brick 1 x 4Bricks | Yellow | 2× | |
 | 3003 | Brick 2 x 2Bricks | Blue | 1× | |
 | 3003 | Brick 2 x 2Bricks | Red | 2× | |
 | 3003 | Brick 2 x 2Bricks | Yellow | 2× | |
 | 3001 | Brick 2 x 4Bricks | Blue | 1× | |
 | 3001 | Brick 2 x 4Bricks | Red | 1× | |
 | 3001 | Brick 2 x 4Bricks | Yellow | 1× | |
 | 3039 | Brick Sloped 45° 2 x 2Bricks Sloped | Trans-Clear | 2× | |
 | 3039 | Brick Sloped 45° 2 x 2Bricks Sloped | Yellow | 2× | |
 | 3022 | Plate 2 x 2Plates | Blue | 1× | |
 | 3022 | Plate 2 x 2Plates | Red | 1× | |
 | 3021 | Plate 2 x 3Plates | Blue | 2× | |
 | 3020 | Plate 2 x 4Plates | Red | 2× | |
 | 3034 | Plate 2 x 8Plates | Red | 3× | |
![Part 3137c01 Brick Special 2 x 2 [Red Wheels for Single Tyre] in Black](https://cdn.rebrickable.com/media/parts/ldraw/0/3137c01.png) | 3137c01 | Brick Special 2 x 2 [Red Wheels for Single Tyre]Wheels and Tyres | Black | 2× | |
 | 3641 | Tyre 15 x 6 Offset Tread SmallWheels and Tyres | Black | 4× |