Simple Stopwatch by Learning Resources
Even your youngest students can master this simple stopwatch. Features only 3 buttons: green for go, red for stop, and yellow for clear. Supports science investigations, timed math exercises, elapsed time tracking and a variety of classroom management needs. Shows minutes, seconds and 1/100 seconds on an easy-to-read display. Measures 3" high. Requires one 1.5V button-cell battery, included. Colors vary.