👉 A roulette is a mechanical device used to make change for small bills of currency. It consists of a revolving wheel that rotates, depositing coins into a collection bag and then withdrawing them from the bag when the wheel reaches its final position. The process of making change with a rouleaux involves several steps:
1.
Selection
: A selection is made based on the size of the bill being exchanged.
2.
Rotation
: The selected bill is placed in the revolving wheel, which rotates clockwise