8 Holes Gatling Shooting Toy with Double Lights Children Plastic Gatling Bubble Gun

It is an interference phenomenon of light. When light passes through the film of soap bubbles, the top and bottom of the film will reflect. The soap film can contain about 150 different layers at most. The messy color combination we see is caused by the unbalanced film layer. The thickest film layer reflects red light, the thinnest reflects purple light, and the middle reflects seven-color light, so it will be colorful.

After filtering the tea leaves with the hot tea water, add some white granulated sugar, mix it well, drop some detergent, and then let it cool down. After half a day, blow it again. The safe formula is non-toxic and harmless, and the proportion is moderate. This water is very good for blowing bubbles, because white granulated sugar can increase the tension of bubbles, so bubbles can be blown very large, and the stimulation to babies will be smaller.