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~!","Break Reminder"
    WScript.Sleep 5*60*1000
    MsgBox "Ready to go on the next step ? ","Continue Working"
  Next
  WScript.Quit
  MsgBox "亲～！" & vbcrlf & vbcrlf &"You have been working for ONE-HOUR,please take a 15 mins break,and then start another session~~!","Kindly Reminder"
End Sub