VISUAL TIMER: Bright lights and sounds help children see and hear how much time remains LONG COUNTDOWN: Times up to 72 hours in 1-second increments for flexible classroom use CLASSROOM FRIENDLY: 180° viewing angle ensures visibility for the whole class EASY TO USE: Auto set function and 6 sound effects make timing simple and engaging EASY TO USE: Auto set function and 6 sound effects make timing simple and engaging Lights and sounds enable children to visualise how much time remains Time up to 72 hours in one second increments 180° is perfect for front of class use Measure 22.5cm H Requires 4 AA batteries, not included, Manufacturer: Learning Resources Ltd