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6991 Monorail Transport Base | Brickipedia | Fandom
![BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/ON/0/6990-1.png "BrickLink - Set 6990-1 : LEGO Futuron Monorail Transport System [Space:Futuron] - BrickLink Reference Catalog")