BrickLink - Part 6991stk01 : LEGO Sticker Sheet for Set 6991 - (168285) [Sticker Sheet] - BrickLink Reference Catalog
6991: Monorail Transport Base – Back of the Box Builds
Lego 6991 Monorail Bahn Transport Base 1994 mit BA - KOMPLETT in Rostock - Stadtmitte | Lego & Duplo günstig kaufen, gebraucht oder neu | eBay Kleinanzeigen
Review: 6991 Monorail Transport Base - LEGO Sci-Fi - Eurobricks Forums
Lego Space Unitron 6991 Monorail Transport Base
BrickLink - Set 6991-1 : LEGO Monorail Transport Base [Space:Unitron] - BrickLink Reference Catalog
BrickLink - Set 6991-1 : LEGO Monorail Transport Base [Space:Unitron] - BrickLink Reference Catalog