We always recommend ordering 10% more gaming guns than the number of gamers you plan to cater for.
This laser tag system doesn't come with the traditional laser tag vests. Rather the idea is that as well as the integrated sensor in the gaming gun barrel there are two head sensors. One for the center of the forehead and one for the back of the head. These are attached to a headband.
Operators also need to order a black headband for each gaming gun. Plus a set of marpat and cadpat bandannas (a multiple of the number of gaming guns in your arsenal depending on your day's throughput). Plus one spares kit or every 10 units ordered.