30 Second Countdown Flip Timer YB20

This channel's videos are all about countdown timers, which are tools for keeping track of predetermined periods of time. It can be used as a task or event reminder and lets users set a timer for a specified amount of time.This channel's videos are all about countdown timers, which are tools for keeping track of predetermined periods of time. It can be used as a task or event reminder and lets users set a timer for a specified amount of time.