![LEGO Set 520-17 Bricks, Half Bricks, Two Trolleys (1975 Duplo > Basic Set) | Rebrickable - Build with LEGO LEGO Set 520-17 Bricks, Half Bricks, Two Trolleys (1975 Duplo > Basic Set) | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/sets/520-17/10106.jpg/1000x800p.jpg)
LEGO Set 520-17 Bricks, Half Bricks, Two Trolleys (1975 Duplo > Basic Set) | Rebrickable - Build with LEGO
![burgkidz Building Bricks 520 Pieces Set, 500 Basic Building Blocks in 17 Shapes Includes Wheels, Door, Window, Bulk Block with Reusable S burgkidz Building Bricks 520 Pieces Set, 500 Basic Building Blocks in 17 Shapes Includes Wheels, Door, Window, Bulk Block with Reusable S](https://c.shld.net/rpx/i/s/pi/mp/9150/prod_11230280302?src=https%3A%2F%2Fimages-na.ssl-images-amazon.com%2Fimages%2FI%2F51M0TA3ty3L.jpg&d=da15c93f2a45aa32efb5cb211e19ea0722982fb2&?hei=64&wid=64&qlt=50)
burgkidz Building Bricks 520 Pieces Set, 500 Basic Building Blocks in 17 Shapes Includes Wheels, Door, Window, Bulk Block with Reusable S
![BrickLink - Set 520-1 : LEGO Basic Building Set [Universal Building Set: Basic] - BrickLink Reference Catalog BrickLink - Set 520-1 : LEGO Basic Building Set [Universal Building Set: Basic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/SL/520-1.png)
BrickLink - Set 520-1 : LEGO Basic Building Set [Universal Building Set: Basic] - BrickLink Reference Catalog
![BrickLink - Set 520-9 : LEGO Bricks, Half Bricks, 2 Trolleys [DUPLO:Basic Set] - BrickLink Reference Catalog BrickLink - Set 520-9 : LEGO Bricks, Half Bricks, 2 Trolleys [DUPLO:Basic Set] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/ON/0/520-9.png)