It consists of a reusable Bingo card with small shutters that can slide over the numbers. As numbers are called, players slide the shutters to cover the corresponding numbers. This allows for quick resetting and multiple uses in traditional Bingo settings, especially in environments like churches or community halls.
Shutter Board Example
For example, in a local Bingo game at a community center, instead of marking numbers with a pen, players use a Shutter Board to slide small covers over the numbers called.