Half a croissant, on a plate, with a sign in front of it saying '50c'
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vehicle: tunnel [rss]
Ideas are sorted alphabetically.
Ideas in bold have been created this week.
   Channel Tunnel Catapult 
 (-2)  City Arteries 
 (+3, -1)  electric_post_tube 
 (+1)  Hawaii Hullabaloo 
 (+1)  Moiré Metro Tunnels 
 (+1)  Quake-Proof Oceanic Tunnels 
   Relativity Subway 
 (-1)  Sky Tube 
 (+1, -2)  Sky Tube Ring 
 (+2, -5)  Solar Powered Tunnel Construction 
   Subway Protector 
 (+3, -5)  Trans-Atlantic Train 
 (+10, -4)  Trans-Oceanic Tunnel 
   Tunnel City 
 (+1, -2)  under the sea glass tunnel 
 (-2)  Underground City Highway System 
 (+7, -1)  underwater viaduct 
 (+5, -2)  Vacuum Train 
 (+9)(+9)  "Wall of death" spinning tunnel 
 (+3)  Wind Tunnel Races 
   Zoom! 

  

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