There are several performances that you can take them to in Vegas. Take them to see the acclaimed Blue Man Group. Although it's almost impossible to describe, people of all ages agree that it's a totally unique and outrageous experience. Another option is to take them to see one of the productions by Cirque du Soleil. You can choose from Ka, Mystere, Zumanity, and O. For more information please visit: http://www.visitlasvegas.com/vegas/play/shows.