Conversation so far:
What do Spanish people do on Christmas day?
Most people in Spain go to Midnight Mass or 'La Misa Del Gallo' (The Mass of the Rooster). It is called this because a rooster is supposed to have crowed the night that Jesus was born
What do Spanish people eat for Christmas dinner?
The Top 10 Spanish Traditional Christmas FoodsEntremeses platter © Tamorlan / WikiCommons. Seafood. ...Seafood © Maxim Krayushkin/Flickr. ...Roast suckling pig © fevol / Pixabay. ...Roast lamb dinner © JudyMcAuliffe / Pixabay. ...Sopa de Galets © Emi Yañez / Flickr. ...Turrón © Lablascovegmenu / Flickr. ...Spanish polvorones © Roinpa / WikiCommons. ...Roscon de Reyes ©Tamorlan.
What do Spanish people eat on Christmas eve?
The Top 10 Spanish Traditional Christmas FoodsEntremeses platter © Tamorlan / WikiCommons. Seafood. ...Seafood © Maxim Krayushkin/Flickr. ...Roast suckling pig © fevol / Pixabay. ...Roast lamb dinner © JudyMcAuliffe / Pixabay. ...Sopa de Galets © Emi Yañez / Flickr. ...Turrón © Lablascovegmenu / Flickr. ...Spanish polvorones © Roinpa / WikiCommons. ...Roscon de Reyes ©Tamorlan.
What is the Spanish Christmas Lottery?
The Spanish Christmas Lottery is a national lottery. In the Spanish-speaking and the English-speaking media it is sometimes just called El Gordo, even though that name really refers to the grand prize for all Spanish lotteries.
How does the Spanish Christmas Lottery drawing work?
The Spanish Christmas Lottery works more like a raffle than a lottery. There are no lottery balls; instead, there are two huge drums that contain all the purchased tickets – just like a raffle. Each ticket has a number between 00000 and 99999.

Question: How are the tickets sold
Self-contained rewrite: How are the Spanish Christmas Lottery tickets sold?