Roller Coaster Games!!!

Roller Coaster Creator
http://www.gamesgames.com/game/RollercoasterCreator.html

Free Roller Coaster Games
http://www.freerollercoastergames.org/

Roller Coaster-Mini Clip Games
http://www.miniclip.com/games/rollercoaster/en/

 Roller Coaster Rush
http://www.games.co.uk/game/Rollercoaster-Rush.html

Build a Roller Coaster and test the Fear Meter!!!
http://kids.discovery.com/games/build-play/build-a-coaster