Mobile (movable) aluminium boarding with counterweights. The boarding consists of aluminium uprights with 18 mm plywood or 8 mm polycarbonate glass (white or transparent). The boarding elements are 250 – 300 cm long and the height varies from 100 to a maximum of 125 cm. The boarding can be used for different sports. The aluminium construction at the back is fully welded and equipped with counterweights. The boarding can be equipped with access doors.