Enhance your child's creativity and motor skills with this set of 50 Marble Maze Building Sets. These DIY assembled ball track blocks are perfect for building railway tracks and other structures. The set includes plastic blocks with a height of 2.00cm, length of 7.00cm, and width of 4.00cm. Each set is designed to provide hours of fun and entertainment for kids. They are easy to assemble and come with all the necessary materials. These toys are perfect for children who love to build and create. Get your hands on this amazing set today and let your child's imagination run wild!