How do I play the free games feature in Cup Carnaval?

Free Games

Triggering Free Games:

Three or more Dancer symbols appearing anywhere trigger the free games feature.

During Free Games, any Ball symbol appearing expands to cover all positions on the reel before any pays are rewarded.

Cup Carnaval Dancer Symbol

When in Free Games:

Cup Carnaval in Free Game

Cup Carnaval Free Game Win