A hybrid electric vehicle includes an internal combustion engine, a traction battery, and a hybrid electric powertrain including an electric motor powered by the traction battery. The toy balloon saber equipped with a lightening means according to the current application is comprised of a blade part that is comprised of an elastic plastic balloon, a handle part that is comprised of a hand pump, which also works as a flash light. The thermal energy is extracted from the absorbercavity via a fluid and transported to a heat conversion system. It has been found that by blow molding the parison with the sleeve initially extended with its end substantially flush with the end of the pin, followed by retracting the sleeve to a retracted position after a predetermined delay time, a boss with a thicker end results. Other methods and systems are presented.