A water balloon or water bomb is a balloon, often made of latex rubber, filled with water. Water balloons are used in a summer pastime of cooling off through water balloon fights. Water balloons are also popular for celebrations, including celebrating Holi and Carnival in India, Nepal, and several other countries.
A selection of filled water balloons
An octahedral paper water bomb.
A variety of water balloons placed in water to prevent popping.
Pricking a filled water balloon
Carnival or Shrovetide is a festive season that occurs at the close of the Christian pre-Lenten period, consisting of Quinquagesima or Shrove Sunday, Shrove Monday, and Shrove Tuesday or Mardi Gras.
Carnival in Rome, c. 1650
Rio's Carnival is the largest in the world according to Guinness World Records.
Feast of the Navigium Isidis, celebrated in Ancient Rome in honor of the goddess Isis
Oinochoe depicting the parade of an armed owl during the celebration of the Anthesteria (Greece, 410–390 BC)