The set is very rare is likely discontinued by Lego already.
NEW LEGO Creator Shuttle Expedition 10231 , SEALED!
LEGO Shuttle Expedition 10231
Kyglaring Led Light kit for lego 10231 Space Shuttle Expedition Model ( not include the bricks set ) - AliExpress
LEGO Shuttle Expedition 10231 : Toys & Games
Good condition. · Including Shuttle Expedition 10231 - Retired (2011) Shuttle and boosters only. Launch pad is not included. “lego 10231
LEGO Sculptures: Shuttle Expedition 10231 - Retired (2011) Shuttle and boosters
LEGO 10231 Shuttle Expedition Instructions, Advanced Models
LEGO 10231 Shuttle Expedition Instructions, Advanced Models
File:Lego - Set 10231 Space Shuttle Expedition (8178330939).jpg - Wikimedia Commons
STL file NASA Shuttle Expedition 10231 (2011) 🛰・3D printer design to download・Cults
Light Kit for Shuttle Expedition 10231 (updated) Sound
Lego -10231 - Advance Model - Space - Shuttle Expedition - New Sealed Box