Features Made of synthetic materials that are durable and unbreakable. Stable metal support frame with 5 rollers. Close to the real weight of about 200 pieces of bones. The limbs can be removed quickly and easily. Natural bone size with 3 parts of assembled skull Features : 1. Made of synthetic materials that are durable and unbreakable. 2. Stable metal support frame with 5 rollers. 3. Close to the real weight of about 200 pieces of bones. 4. The limbs can be removed quickly and easily. 5. Natural bone size with 3 parts of assembled skull   Specifications: Material: PVC Color: White Overall Length: 45cm/17.72in Weight: Approx. 585g   Package Includes: 1 x Spine Model 1 x Model Base   Package List