Roller Coaster Challenge is one of ThinkFun's most popular stem toys for boys and girls, and was a Toy of the Year Award Finalist in 2018. It's a logic game and roller coaster building set that comes with 60 challenges of increasing difficulty, from beginner to expert, and makes a great birthday or holiday present for kids who like smart games and challenging activities. Roller Coaster Challenge is a fun brain teaser puzzle made with high quality components, and comes with a very clear and easy to understand instruction manual - you'll be able to play within minutes of opening the box. Like all of ThinkFun's games, Roller Coaster Challenge is built to develop critical thinking skills and ties into STEM subjects like science and engineering. Playing through the increasingly difficult challenges will improve logical reasoning, spatial reasoning and planning skills, all through fun game play. Roller Coaster Challenge building game includes a game board, 36 posts, 39 tracks, one roller coaster car and forty mind challenging cards with solutions. For ages 6 and up