Yes. QUADRO Components from the 1970s and 1980s are compatible with parts made today.Related ArticlesWhat materials are QUADRO Connectors, Panels, Tubes, Screws, and Screw Keys made of?Can QUADRO be used in chlorinated water or saltwater?Can I plan a QUADRO climbing frame before building it?How do I keep the water in the QUADRO Pool clean?Are the colors in a QUADRO construction kit evenly distributed?