Steps: Mix water and sticky powder in a ratio of 1:2, stir well, then pour sticky powder into the balloon and inflate the balloon. Rotate to distribute the sticky powder evenly, spread the cloth, gently release the balloon, and flip the balloon every two minutes for half an hour. After the contents of the balloon are dry and solid, cut it open, remove the skin of the balloon, and gently knock open a hole as the flower arrangement opening.