Make Bingo cards with the cardboard and writte 9 number in each card from 1 to 49. Cut little pieces of cardboard with all the number writen and put it in the bag. Give a Bingo card per person and 9 beans. It should be one person who says the numbers loud slowly, they have to put a bean above the numbers that you say. The winner is the one that finishes putting the bean in every number of the card.
Motivate to focus to hear every number in order to win.
It promotes competition.
It makes them competitive and they feel very excited the day before because they are getting points for get some gifts later.