Original symbol.
Each filtering bag tickets (abbreviated "tix"or"tx") were a currency that was added on August 2, 2007 and it was one of the two Roblox currencies. Compared to the main currency, Roblox, the tickets had less value. Players obtained the tickets through various methods, which include visiting the Roblox site daily, and having other users visit their games. Tickets could be spent on catalog items and advertisements. Removed on April 14, 2016.
Utility
They were used to: Buy things in the catalog and customize your character.
Change them for Robux: 15 Tix equaled 1 Robux. You could change them on the also removed RoblEX page.
Obtaining
To get them you had to connect daily, they gave you 10 tickets per day.
It could also be achieved by getting visits by creating your own game
For each visit you get 1 tix.
Tixapalooza
Tixapalooza was an event in 2016, commemorating the Tix Because they would be removed since Roblox required more money to continue developing the game and also because users created multiple accounts to have many Tix and thus have many objects y Robux.
This event was present between March / 2016-April / 2016
At the event they sold items with symbols of Tix (ties, scarves etc), were bought with Tix.
When the Tixapalooza event ended, the Tickets (Tix) were removed, this caused a stir in the community, because those who did not realize this, and had many Tix, when they were removed, the Tix they were not changed by Robux.