This is a set of 30 connecting parts for Plarail Advance. - Quantity: 30 pieces - Color: White These parts are easily broken during play, but the genuine parts are no longer sold. To address this, we have measured the original parts and created replacement connectors using a 3D printer. The material is flexible PLA resin. We have designed a simple shape to cut costs, allowing us to offer them at a lower price than similar products. They are highly praised for their quality! The replacement procedure is simply to swap them with the old ones. *Connectors only are included.*