Frankie Dettori's Magic Seven. . Frankie Dettori's Magic Seven. Frankie Dettori's Magic Seven Jackpot is a fantastic 5-reel, 25 payline slot developed by Playtech based on the famous horse racing jockey Frankie Dettori. Frankie Dettori's Magic Seven. Min Bet: $ Max Bet: $ Pick your nag and race for riches on this two-level Progressive Jackpot from the world's most famous jockey! Frankie Dettori's Magic Seven. Frankie Dettori's Magic Seven. Min Bet: £ Frankie Dettori's Magic Seven is a 5-reel, line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, wild symbol. Play. Bonus Features: Free Spins. Frankie Dettori's Magic Seven. Bonus Features: Free Spins. Play.