Disco ball is a sphere with an uneven and reflective surface used in disco parties to create an amazing light effect. It comes in many varieties like rotating and hanging, as well as classic-mirrored and different-colored mirrors. This ball be used in both nightclubs and homes for decorative purposes.
Fix one of them on the wall so that its beam focuses on the ball. Take the other spotlight and mount it on the opposite wall in such a way that it directly faces the first one. Adjust it in order to direct its beam on the ball. Put on the spotlights, switch off all the other light sources, and enjoy the amazing atmosphere created by the arrangement.
Disco balls are easily available in the market. You can check for them in various home improvement stores, electric supply shops, or party supply shops. Apart from these, you can also find a number of varieties online.