Trusted by Families Worldwide - With over 50 million sold, ThinkFun is the world's leader in brain and logic games.*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 the best gifts you can buy for boys and girls age 6 and up, and includes a game board, 36 posts, 39 tracks, one roller coaster car and forty mind challenging cards with solutions.*Clear instructions - Easy to learn with a clear, high quality instruction manual. You can start playing immediately!*Comes with multi-level challenges - Roller Coaster Challenge comes with 40 beginner to expert challenges that become increasingly difficult as you play through them.