Chance wheel

The Event Block is the main feature of The Big Board in the Game Boy Advance game Wario Land 4. It is a block with a constantly moving set of numbers from 1 to 6 on the face, and a blue button on the bottom where Wario can jump up and hit. It has many purposes to help Wario make it through the level. When Wario stands below it, a ribbon appears, which shows what Wario could gain from a hit of the Event Block. The numbers stop rolling when hit, and then that number of spaces is counted on the ribbon. It can land on many things, including switching all dotted red lines to solid blocks and back again, giving Wario health, changing Wario to one of his forms, producing Dice Men (to throw), making lightning strike (damages Wario), and dropping a Giant Diamond. At the end of the ribbon, the Keyzer can be obtained, which opens the door to the next level. Wario can reach the end of the ribbon in a room that is very colorful and decorative. It has the words "Get a goal!" written everywhere, the goal being the Keyzer. The last Event Block is also a different color from the normal ones. It is blue with a red button on the bottom.

In hard and S-hard mode, the numbers spin faster, and the need to hit the right number increases.