Online bingo sites like Moon Bingo, Bingo Hearts, Barbados Bingo, Bucky Bingo, Beatle Bingo etc offer 3 days of free bingo games to the newly registered customers who can join in the fun in any of the free bingo rooms.Usually all the free bingo rooms are made available to the new and funded (existing) players at trusted bingo sites.Sometimes Free Bingo is also regarded as no deposit bingo because in free bingo rooms, players get to explore variety of bingo games with no deposit required to be made.Free Bingo Games for Fun Bingo Win Real Money