hundreds and thousands 
plural noun British
Tiny sugar beads of varying colours used for decorating cakes and desserts.There are dinosaur shaped biscuits, and fairy cakes scattered with tiny, dinosaur shaped hundreds and thousands....
- Nursery delicacies included bread and sugar, bread with hundreds and thousands, lots of steamed puddings and custard with everything.
- Cakes covered with these relatively simple icings are often further decorated with the addition of glacé cherries, angelica, silver dragées, hundreds and thousands, etc.