Symbols on the Sevens and Bars slot machine are: Diamond symbol, Single Bar symbol, Double Bar symbol, Triple Bar symbol, Blue Seven symbol, White Seven symbol, Red Seven symbol and Sevens and Bars symbol. Sevens and Bars is a classic slot machine that features 7’s and bars of all things. You can play the Sevens and Bars classic slot machine at This is Vegas Casino and Superior Casino. Sevens and Bars is a 3-reel, 1-line classic slot machine with multipliers developed by Rival.