1. Method 1: Cut the soap into small pieces, put them into a cup, pour hot water to melt the soap pieces, then add some sugar and bagged tea leaves into the cup, cover it and leave it overnight.

2. Method 2: 1 glass of water+1/3 cups of detergent+half a spoonful of sugar, which is a verified formula after stirring, unlike the pungent smell of bubble water sold outside, with high safety factor.

3. Method 3: Add soap and a little sugar to the black tea water and soak it overnight, so that the bubbles blown out by the water are big and not easy to break.

4. Method 4: Take a cup, pour boiling water, put a tea bag, add 1-2 spoonfuls of sugar to the empty cup, pour some detergent, pour tea leaves and stir with chopsticks.

5. Method 5: Glue: detergent: hand sanitizer (shampoo) = 1: 4: 2: 2. The formula is very effective, and sugar can be added. Bubbles don't break easily. Add blue ink to increase the effect.

6, method 6: add a little vinegar with detergent, as long as the concentration of detergent is enough, the effect is really good.

7. Method 7: Glycerol, glue, water and detergent in a ratio of 1: 1: 4: 4. Glue must be added because the bubbles blown out are thicker.

Blowing bubbles is a popular game for children, usually played by children.