Those of you who have spent some time on Reddit and other social networking sites have probably seen people using LED fans to make trippy videos. The GIWOX 3D Hologram Fan lets you do just that. It comes with WiFi and lets you display 3D graphics in the air. It comes with 320 LED lights, SD card clot, and cooling vent.
You can upload videos to it from your iOS device. More info is available here.