Anatomical model of human lumbar vertebra with tail vertebra

This model consists of 5 lumbar vertebrae with intervertebral discs, sacrum, tailbone, spinal nerve and spine, with base. There are two, natural big and small.
Naturally large, packing: 10 pieces/box, 74x43x29cm, 12kgs
Small, packing: 32 pieces/box, 62x29x29cm, 10kgs