BrickLink - Part 2571pb03 : LEGO Panel 3 x 4 x 6 Curved Top with Flight Schedule Pattern on Inside (Sticker) - Set 6399 [Panel, Decorated] - BrickLink Reference Catalog
6399 Airport Shuttle from BrickLink Studio
LEGO Vintage Airport Shuttle Monorail #6399 from 1990's - Hard to find!
BrickLink - Part 2685b : LEGO Monorail Coupling Long (Sets 6399 / 6991) [ Monorail] - BrickLink Reference Catalog
Vintage LEGO 6399 Airport Shuttle Monorail Train classic set from 1990 - YouTube
Tribute 6399 AIRPORT SHUTTLE push along from BrickLink Studio
LEGO® 6399-1 Review: Monorail Airport Shuttle ein Highlight aus den 90ern vom Jahr 1990 - LY-00390 - YouTube
BrickLink - Part BA017pb01 : LEGO Stickered Assembly 4 x 1 x 3 with Airport Shuttle Pattern on Both Sides (Stickers) - Set 6399 - 2 Slope 45 2 x 1, 1 Brick 1 x 4, 2 Slope Inv. 45 2 x 1 [Stickered Assembly] - BrickLink Reference Catalog
6399 Airport Shuttle from BrickLink Studio
6399 Airport Shuttle - South African Fans of LEGOⓇ