High quality paint. High quality prototype, handcrafted from solid, unbreakable, high quality, environmentally friendly PVC. Fine processing creates a good article with clear shape and great detail. This is a three-dimensional model of the digestive system in original size. It consists of three components: the digestive system, the gastrointestinal tract and the transverse colon. Shows the different organs and digestive gland structures that make up the digestive tract, and the new design of the salivary glands! Image of nose, mouth and throat, esophagus, gastrointestinal tract, liver and gallbladder, spleen and pancreas, duodenum, appendix and colon opened, more detailed representation of the structure of the digestive tract and the digestive gland. Suitable for , biological and anatomical teaching. All the important details are easily recognizable.