Public Class Form1
 
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
 
        Timer1.Enabled = False
    End Sub
 
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
 
        Dim numero As Byte
        Timer1.Enabled = True
 
        Randomize()
 
 
        numero = Rnd() * 6
 
        Do While numero > 6
            numero = numero - 6
        Loop
 
        Do While numero < 1
            numero = numero + 6
        Loop
 
        Loop
        TextBox1.Text = numero
    End Sub
 
 
End Class