The timers can count up and down (99 min 59 sec) and have a clear display showing min/sec with simple start/stop functions. 10 red, 10 blue, 10 yellow.
Class set supplied in Gratnells tray with lid and foam insert.
Specification
Size: 70mm x 70mm. Size of display: 30 x 19mm. LR1130 battery included.