Inflate the balloon, reserve the length of 1 cm, and make two bubbles with the length of 3 and 30 cm respectively. The second bubble is made into a ring bubble knot. Allow the remaining gas to pass through the annular bubble joint. The pirate knife is finished.

There are also many benefits for children to blow balloons. Properly blowing balloons for children has the advantages of increasing vital capacity and exercising facial expression muscles. First, increase vital capacity: children can increase the volume of lungs by blowing balloons properly, exercise lung function to increase vital capacity, and it is also conducive to the development of oral cavity;

Second, exercise facial expression muscles: children can also consume facial fat properly in the process of blowing balloons, and at the same time, they can enrich facial expression muscles to increase the sensitivity of facial muscles. In addition, the parasympathetic nerve is activated, so it is recommended to go to the hospital for treatment in time.

First of all, the first use is to decorate the home. Balloons have many colors, which can be said to be colorful. Woven into various trinkets and hung at home are very beautiful.

Secondly, it is used to coax children to play. Children are born with a heavy heart, and it is a very good way to coax them with balloon weaving. Another function of balloon weaving is to add festive atmosphere to wedding etiquette.

Balloons are woven into various shapes through changeable colors and vivid modeling design, so as to set off a happy atmosphere and decorate various festive occasions. No matter what the occasion, balloons can attract people's attention with their strong affinity and unlimited creative space, infect people's emotions, and create various emotions and atmospheres such as joy, liveliness, elegance, peace, solemnity, celebration, enthusiasm, romance, warmth, solemnity and brilliance for activities;