The official way is: Robux is the first currency for Roblox. There square measure many other ways Robux may be attained or purchased: Members of the Builders Club receive a daily Robux regular payment. Builders Club members can also sell shirts, pants and place access and receive seventieth of the profit. You can purchase Robux on the Robux page. Both Builders Club and Non Builders Club members will sell game passes for Robux. Non-BC members can get 100 percent of the profit whereas BC members can get seventieth of the profit. Both Builders Club and Non Builders Club members will participate within the Affiliate Program.