World’s Smallest Production Quadcopter Not only is the Proto X the world’s smallest quadcopter, it’s also one of the world’s lightest! The 1.8″ x 1.8″ Proto X is tiny, ideal for indoor flying — and it weighs only four-tenths of an ounce and it only costs $39. Facebook Prev Article Next Article Gadgets Checkout these cool gadgets... Related Posts Automatic Pool Racker Wave Powered Generators USB Battery Charger Steve Jobs Action Figure Cool Bendable Kitchen Faucet Varibike Lets You Pedal With Your Legs and Arms