What is roller board?

A roller board is a type of board used for transportation. It has wheels on the bottom, usually four, that allow the user to roll along a surface. Some roller boards are designed specifically for skateboarding or longboarding, while others are used for leisurely activities such as cruising around town. Roller boards can be made from a variety of materials, including wood, plastic, and metal. They come in different shapes and sizes, depending on the activity they're designed for. Roller boarding has become a popular sport and recreational activity around the world. It requires balance, coordination, and skill, but can be both fun and a great way to stay active.