Product overview This spine model set includes four full size, two piece lumbar vertebrae models, each showing a different condition for clear comparison and study. Models are made of durable PVC and come with a back card. Package dimensions 27.5 x 16.5 x 10.5 cm. Key features Four distinct vertebrae conditions in one set: normal, bulging herniated disc, bone and disc degeneration, and advanced osteoporosis with severe bone compression and bone spurs. Full size, two piece vertebrae models for accurate visualization of lumbar anatomy. detailed, discs that clearly display lumbar column lesions. Removable limbs can be detached quickly and easily. The body can be removed quickly and easily to allow more comprehensive and detailed teaching. Supplied with back card for stable display and reference. Benefits Improves understanding of lumbar vertebrae conditions by presenting side by side comparisons of healthy and pathological states. Removable components allow hands on exploration and step by step demonstration of injury progression and anatomical changes. Compact packaged size makes the set convenient to store and transport. Specifications Material: PVC Specification: with back card Package size: 27.5 x 16.5 x 10.5 cm Contents: four full size two piece lumbar vertebrae models, each representing a different condition Applications and use scenarios Classroom teaching: Use the set for anatomy lessons, small group demonstrations, and instructor led walkthroughs of lumbar conditions. Laboratory and research study: Provide a durable, full size reference for student projects and comparative study of spinal changes. Patient education and demonstration: Use the models to explain anatomical differences and the impact of degeneration or compression in a clear, visual way. What is included Four two piece lumbar vertebrae models showing normal, bulging herniated disc, bone and disc degeneration, and advanced osteoporosis with severe compression and bone spurs Back card for display Care and handling Clean with a soft cloth and mild soap if needed. Avoid solvents or abrasive cleaners to preserve detail and finish. Store in original packaging when not in use.