Ground spinners are a type of firework that spins rapidly on the ground when ignited. They typically consist of a metal or cardboard base with a fuse and are designed to create colorful sparks and effects as they rotate. Ground spinners are popular for their visual display and are often used in celebrations like Independence Day or New Year's Eve. These fireworks come in various sizes and designs, producing different colors and patterns. Safety is important when using ground spinners, as they can emit sparks and debris. Users should follow safety guidelines and keep a safe distance while enjoying the show.