Using a helium balloon kit typically involves the following steps: Assemble the kit: Make sure you have all the components of the kit, including the tank, regulator, nozzle, and balloons. Attach the regulator: Connect the regulator to the tank by screwing it into place. Make sure it is securely attached. Turn on the tank: Open the valve on the tank by turning it counterclockwise. This will allow the helium to flow into the regulator. Inflate the balloons: Attach the nozzle to the end of the regulator, and then attach the balloons to the nozzle. Inflate the balloons to the desired size, holding the end of the balloon and the nozzle securely to prevent the balloon from slipping off. Tie the balloons: Once the balloons are fully inflated, remove the nozzle and tie the balloons closed, leaving a string or ribbon attached to the knot. Turn off the tank: Once you have finished inflating all the balloons, turn off the tank by turning the valve clockwise. Store the kit: Store the kit in a safe, secure place, and make sure the tank is stored in an upright position to prevent leaks. It is important to follow the instructions provided with the kit carefully, and to always use caution when handling helium tanks and regulators. If you are not familiar with the proper use of helium tanks, it is recommended that you seek the assistance of a professional or an experienced individual.