Provided are a balloon vending machine that can provide an impactful state where the balloon purchaser can participate in a production process of a balloon and the balloon body expands to break and open the balloon case, and further that can reuse the balloon case as a handle, and a balloon to be sold by the balloon vending machine. Below the gas injection part 26 of the balloon vending machine 10, a gas injection device is disposed that expands the balloon body 24 stored in a folded state in the balloon case. The gas injection device is mounted with a gas injection nozzle. Further, a valve lock plate is disposed in the nozzle mover. The balloon includes a balloon body, a balloon case storing the balloon body, a balloon valve, and a string connecting the balloon body with the balloon case.