“Dragon Ball is a lottery machine with 9 different colors of balls. Lottery tickets are obtained by catching the balls and putting them into the goal slot. There are a total of eight goal slots. The number of lottery tickets for each goal is different. At the same time, the lottery value of the goal slot is random. Change, there are two grand prize challenges. When the balls of 9 colors are collected, the lottery prize party time (up to 300 seconds) can be obtained; when all the letters BIGBONUS are lighted up, the lottery prize can be obtained.