A hand-held cracker snap for spraying projectile includes a main unit, a button, a disk, an air cylinder and a nozzle. The button is loosely disposed in the main unit. The disk is disposed in the main unit and is connected to the button. The air cylinder is disposed in the main unit and is provided with a central tube that can be extended or compressed along an axis repeatedly to suck or squeeze air to or from the air cylinder. The nozzle is a tubular element in the connecting pipe. An end of the nozzle is connected to the interior part of the air cylinder, allowing air to enter or exit the air cylinder via the nozzle. The nozzle guides air into the bullet.