The Bingo cards are readily available from stationers and toy shops.
As well as Bingo you might want to consider a Beetle Drive, Skittles, Scrabble, Whist, Poker, Monopoly, or any other popular game can be turned into a challenge evening that will give your supporters entertainment and raise funds. The author recently attended a “Curling” evening that didn’t require ice!
Bingo is another social occasion that can also be a fun fundraiser. There are bingo machines that you can hire or borrow, purpose-
Check first of all whether you can download the program or whether you will need Wifi, and then of course check that they have Wifi at the venue.