In the video, a person is seen holding a yellow sponge and dropping it into a glass tank filled with water. The tank contains various objects, including a yellow banana, a red can, and a yellow toy. The person continues to drop the sponge into the water, causing it to bob up and down. The water is clear, and the objects inside the tank are visible. The person's hand is steady as they drop the sponge, and the sponge appears to be soft and flexible. The tank is placed on a surface, and the background shows a grassy area with a hose lying on the ground.