In return, their parents received beans and maize flour.
Their rations include wheat flour, maize flour, maize, beans, oil, porridge and salt.
The price of maize flour has already gone to 9,000 kwachas (£8.70) for 50kg.
Today there is no Chibuku because they can't afford the maize flour or the sugar.
Refugees spend hours queuing for maize flour, but there is not much else to do.
The day passed in a blur of maize flour (AKA masa harina or finely ground cornmeal) and popping corn.
They buy maize flour and oil with the few hundred shillings (only a few dollars) they earn.
They need a specially treated maize flour, known as masa harina, which is available in specialist food shops or online.
They are waiting for food — for the sacks of dried beans and rice and maize flour piled against one wall.
Today the Bicentenario has sugar, maize flour, chicken and toilet paper at giveaway, government-controlled prices but no milk.
She buys vegetables, eggs, soya beans and milk to supplement the inevitable Nsima, a meal of maize flour which is the nation's staple diet.
