There's no Wild symbol, but there is the Scatter (the Joker's hat) that activates the bonus feature.
This three-reel, one-payline slot can get you a Jackpot of 2,500 coins. And that's pretty high for a slot machine as basic as this one.
Lucky 7 is one of the most enjoyable Slot machines on this list. If you like classic Vegas-style slots, you'll love this one.
The Wild symbol is the Pot of Gold, which is also a times-five multiplier which turns into a 25x multiplier when you land two Wilds.