Geomag PRO-L is the evolution of the classic magnetic construction system, devised for children from 8 years up. The power of this special magnet allows you to build even more spectacular structures. The polarity indicator, which is shown on the rods, helps you to understand the full potential of magnetism. Geomag magnetic kits are the perfect way to express your creativity. There is virtually no limit to the creations that you can make. All you need is a kit and an active mind. These products help children of all ages develop and train their minds, imagination and curiosity through the science of magnetic construction.