Bring a little extra competition to your next 18 holes when each player’s every stroke adds more money to the pot.

This collection of 12 balls in four colors features $1 on one hemisphere and $2 on the other—whichever is the most visible when it lands is how much the golfer adds to the pot. Whoever wins the hole claims the prize. You can also make up your own rules and challenges to raise the stakes, like longest drive and closest to the pin.