Feature: 1. Display the structure of hand, hand bones, including the bones of the wrist, metacarpal, and phalanx. 2. Each of these little joints is independent, detachable to meet your needs. 3. Environment-friendly PVC material, safe and non-toxic, durable to use. 4. Essential and necessary teaching aid when talking about hand joint structure. 5. Selected quality hardware accessories, come with a base, easy to store. Specification: Condition: 100% Brand New Item Type: Hand Joint Model Material: PVC Size: Approx. 12 x 12 x 24cm / 4.7 x 4.7 x 9.4in Package List: 1 x Hand Joint Model 1 x Base