You'll need a plastic mold. You can either use a novelty ice cube tray or small ice cream molds, or you can also use used plastic jello or pudding cups.

你需要一个塑料模具，可以是一个造型新颖的冰格盘，或者小的冰淇淋模具，你还可以选用塑料果冻杯或者布丁杯。