Fairy bread
Fairy bread is sliced white bread spread with butter or margarine and covered with sprinkles or "hundreds and thousands", served at children's parties in Australia and New Zealand. It is typically cut into triangles.
Fairy bread dates back to the 1920s in Australia, and is first recorded in The Hobart Mercury, which describes children consuming the food at a party.
The origin of the term is not known, but it may come from the poem 'Fairy Bread' in Robert Louis Stevenson's A Child's Garden of Verses published in 1885, and had been used for a number of different food items before the current usage.