One embodiment of the invention provides apparatus comprising an input for receiving a lottery number, K, from a lottery draw or other source of unpredictable numbers, and an output for presenting a graphical selector comprising N options. The graphical selector steps in sequence through said N options in accordance with the received lottery number K to select an option. The output can be incorporated into a broadcast television signal as part of a lottery program, and used to drive other material in the program, as well as providing an application for other platforms, such as mobile telephones and the Internet.