Gambia's marble voting systemUpdated 1544 GMT (2344 HKT) December 1, 2016 Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds. Photos: Gambia's marble voting systemThe unique voting system was introduced in the early 1960's to address the high level of illiteracy in the country.Hide Caption 1 of 8 Photos: Gambia's marble voting systemEach party competing in the election has a drum painted with its own identifying colors and their party symbol.Hide Caption 2 of 8 Photos: Gambia's marble voting systemVoters are issued a marble each, then proceed to the polling booth to vote.Hide Caption 3 of 8 Photos: Gambia's marble voting systemThis system of voting was introduced to assure transparency.Hide Caption 4 of 8 Photos: Gambia's marble voting systemWhen a marble is dropped into the drum, it hits a bell which indicates a vote has just been cast. To prevent other sounds the drum has saw dust or sand inside.Hide Caption 5 of 8 Photos: Gambia's marble voting systemThe system allows counting officials quickly ascertain the number of votes cast in each drum. Hide Caption 6 of 8 Photos: Gambia's marble voting systemMore than 880,000 voters are expected to cast their ballots when this tiny west African nation goes to the polls.Hide Caption 7 of 8 Photos: Gambia's marble voting systemCounting is snappy as the marbles are poured from the ballot drum into a wooden tray with 200 or 500 holes.Hide Caption 8 of 8As Gambians head to the polls on December 1, they will cast their vote not with a ballot but marbles. More from AfricaNigerian Instagram comedian lands million dollar dealWhat's the real size of Africa? How Western states used maps to downplay size of continentChimamanda Adichie: I have nothing to to apologize for over transgender women commentsCameroon goes offline after Anglophone revolt Mohammed Anas: 'I call my daughter my girlfriend'