This is a very remarkable chance to win a jackpot. The wheel consists of enormous jackpots, and all that you need is to spin the wheel.

After each spin, 1 area of coins, one sector on the wheel turns into a "jackpot" area, increasing the chances of grabbing a jackpot.
 

Please, note that the winning multiplicator that you see in the event always applies before the purchase is made. You need to click on the multi that you need, and you immediately see the boosted rewards.
 
Good Luck!