In the video, a young boy is seen holding a green bottle of baking soda and pouring it into a clear glass. He is wearing a blue t-shirt with a popcorn design on it. The glass is placed on a white surface, and the background is a blurred image of a painting. The boy pours the baking soda into the glass, and it creates a fizzing reaction, producing bubbles and foam. The video captures the reaction in slow motion, highlighting the bubbling and foaming effect.