Audible 12-inch Time Timer - Visual Countdown Clock for Kids, Classrooms & ADHD - Perfect for Study, Work & Productivity

Sper Scientific 810045 Visual & Audible Continuous Alarm Timer - 3 Inch Height - Perfect for Labs, Classrooms & Time Management Tasks

Freezer Alarm with Audible Alert & 2 Wireless Sensors - Indoor/Outdoor Refrigerator Thermometer for Home Kitchen - Monitor Food Safety in Freezers, Fridges & Garages