In the video, a person is seen holding a small black toy shark in their hand. The person then proceeds to open the toy shark, revealing a circuit board inside. The person then removes the circuit board from the toy shark and holds it up to the camera, showing it to the viewer. The circuit board is black with several small components attached to it. The person then places the circuit board back into the toy shark, securing it in place. The toy shark is then closed, and the person holds it up to the camera once again, showing the completed assembly. The toy shark is small, with a glossy black finish and white teeth. The person's hands are visible throughout the video, and they appear to be wearing a white shirt.