As the oil moves it helps the bicarbonate of soda and vinegar mix.This releases gas which forces blobs of food coloring and glitter through the mixture.What a display!

• 油移动时会带动小苏打粉和醋相混合，其排放的气体会让食用色素和亮粉布满这瓶混合液体，看起来真是精采！