Tha Zack 's a charaidean a' togail càr airson 's gum faigh iad pàirt a ghabhail ann an Rèis-Char-Phriob ach nuair gheibh iad chun a' chùrsa tha iad a' tuigsinn g' eil na draibhearan eile fìor luath 's caran suarach! Cò aca a' ghleidheas? Zack and friends build a car to ride in the Pop-Up Speedway but when they arrive at the racetrack they realize that the other cars and their drivers are very fast and not always very sportsmanlike! Who will take home the trophy? Show less