The Central Bank is urging the public to smash open their piggy banks - and start using their coppers.

Ireland has issued almost 2.5 billion one and two cent coins, that's more than three times the European average per head of population.

They go out of circulation quickly because people generally don't use them, and instead leave them in money boxes in their homes.

This means shops need to constantly refresh their supplies for change, which costs a lot of money.

Ronnie O'Toole from Central Bank is asking the public to use the coins, for example by donating them to charity;