First get out glasses, you can use plastic cups if you are making them for the kids but make sure they are clear so you can see the colors.
Mix Kool aid as directed for 1 80z glass in each flavor (or if you are making more then 1 of each flavor mix enough Kool-Aid for how many drinks you are making)
Fill your glass with ice about 3/4 the way
Pour the Kool aid into your glasses
Top each drink with 1 scoop of your favorite sherbet - You can easily interchange the sherbert flavors for which ever drink you want to