Rain Bird SST600IN Simple-To-Set Indoor Sprinkler/Irrigation System Timer/Controller, 6-Zone/Station (this New/Improved Model Replaces SST600I)
BALDR Mechanical Timer - Simple, Easy to See, and Magnetic | The Green Head
Simple Timer Alarm Circuit using IC 555
Simple timer | Team O'clock
Top 3 Simple Timer Circuits
Amazon.com: UMIKAkitchen Kitchen Timer, 2 Pack Large Digits Classroom Timer for Kids,Simple Operation Magnetic Timers, Digital Timer for Cooking -White : Home & Kitchen