vb script for a alarm

OneHourTimer

Sub OneHourTimer
  For i = 1 To 2
    Set wsShell = WScript.CreateObject("WScript.Shell")
    WScript.Sleep 25*60*1000
    MsgBox "Done for Step [ " & i & " ], take a 5 mins break~!", 0, "Break Reminder"
    WScript.Sleep 5*60*1000
    MsgBox "Ready to go on the next step ? ", 0, "Continue Working"
  Next
  WScript.Quit
  MsgBox "親～！" & vbcrlf & vbcrlf &"You have been working for ONE-HOUR, please take a 15 mins break, and then start another session~~!", 0, "Kindly Reminder"
End Sub