This pack of 3D printed models buoys is the perfect tool to develop your knowledge and skill of navigating through buoyage systems. Instead of using pieces of card, utilise these 3D models to excel your learning and understanding of buoyage and prepare yourself for your exams. This pack contains 12 buoys representing the IALA B system, including: Lateral Marks for an IALA B region Preferred Channel Marks for an IALA B region The Cardinal Marks A Special Mark An Isolated Danger Mark An Emergency Wreck Buoy A Safe Water Mark Where applicable these buoys come with their topmarks or are designed to replicate the common shapes seen at sea.