A closure device for a thermoplastic bag which includes two opposing, longitudinally extending interlockable male and female fastening strips having respective male and female closure elements or profiles that are deformed to interdigitate and produce an audible clicking sound and or tactile effect that is perceptible to the touch as the closure device is opened and closed. The multiplayer gaming button includes a single input configured to set the primary countdown timer without using any other inputs andor a primary countdown timer configured to be set to a primary time interval and countdown from the primary time interval to zero, wherein the primary countdown timer automatically resets to the primary time interval upon reaching zero. The method further includes forming an annular steel ring.