Amazon.com: Delay Timer Relay, 0-30s Power Off Delay Timer Relay Knob Control Time Relay with Base AC 220V ST3PF : Industrial & Scientific
Amazon.com: Sand Timers,multicolor plastic timer,30s/1M/2M/3M/5M/10Minutes Sandglass Timer,for games or the kitchen or office or decorationg,time management,brushing timer,gift(Pack of 6): Home & Kitchen