Frankie Dettori's Magic Seven is a five-reel, 25 payline slots game where people can bet on this popular jockey without ever having to visit a racetrack. Frankie Dettori's Magic Seven Jackpot brings you into the world of horse racing. Frankie Dettori's Magic Seven is a popular video slot with 5 reels and 25 pay lines which is the perfect option for anyone who loves betting at the hippodrome. . Frankie Dettori's Magic Seven is a popular video slot with 5 reels and 25 pay lines which is the perfect option for anyone who loves betting at the hippodrome. This game is inspired by the 3-time horse racing champion of the same name. Frankie Dettori's Magic Seven is a five-reel, 25 payline slots game where people can bet on this popular jockey without ever having to visit a racetrack.