The Odyssey has realized the ultimate technology of Tron: no, not digitizing real objects—the ability to throw around a glowy disc that looks neat.
Powered by a rechargeable lithium ion battery, 4 high-intensity LEDs glow bright enough to be seen for 2 miles. And ultimate frisbee fans will be happy to know that the disc is regulation size, with the lights and power only adding a measly 10 grams to the weight. You pick between blue, red and green. Prices run about $20.