- The accessories are hand-polished to ensure smooth corners without burrs; - The surface is coated with water-based paint so don't worry about the child biting; Manufacturered by LIUFS-Track. - All the toys that are common to the track can be spliced indefinitely to build a complete home system for themselves; - Choose our toys and give them a wonderful childhood. - Our toys are made of wood and have a clear texture and are durable;