Building blocks are a type of educational toy that has been around for centuries. They are small pieces of wood, plastic or other materials that can be connected together to form different shapes and structures. Building blocks help children develop problem-solving skills, fine motor skills, hand-eye coordination, and creativity. They can also be used to teach basic math concepts such as counting and sorting. Building blocks provide an engaging way for children to explore their imaginations and learn about the world around them in a fun and interactive way.