Meet Droiko: micro gaming drones that you can control from your smartphone to engage in laser battles, racing, and other single / multiplayer games. The drone has a low power laser pointer with an infrared marker. It relies on infrared detectors to detect hits by other Droiko units.
Users can create their own racing tracks. With Checkpoints, you can do even more with your drones. Droiko can fly indoors and outside. It has swappable batteries that last over 12 minutes. It is an open source hardware and software product.[where to get it]