ThinkFun Rush Hour Junior Traffic Jam Logic Game and STEM Toy for Boys and Girls Age 5 and Up - Junior Version of the International Bestseller Rush Hour. Just like the classic Rush Hour game, you shift blocking cars and trucks out of your way to clear a path to the exit. The 40 leveled brainteaser challenges are a fun way to build problem solving skills. Rush Hour Jr. is ideal for younger ages but still plenty of fun for an adult brain! You get 40 challenges with four levels of play: Easy, Medium , Hard, and Super Hard.