You can also insert a Multimedia Control to play the explosion sound. Note that the Multimedia Control does not appear in the default startup IDE, you need to add it from the component. To do that, go to the menu and click project, select components from the drop-down menu. Choose Microsoft Multimedia control 6.0 from the list of available controls, as shown in the diagram below. After that the multimedia control will appear in the toolbox on the left. You must also download an explosion wav sound file from the Internet. The code to play the sound file is as follows - See more at: http://www.vbtutor.net/vb_sample/timebomb.htm#sthash.HYkE0aZd.dpuf