ROLLERCOASTER CHALLENGETrusted by Families Worldwide With over 50 million sold, ThinkFun is the world's leading manufacturer of brain games and mind challenging puzzles Develops critical skills Playing through the challenges builds engineering, reasoning and planning skills and provides a great stealth learning experience for young players What you get Roller Coaster Challenge is 50% logic game, 50% roller coaster building set, and 100% awesome and educational It's one of