High quality materials and realistic experience Made of imported plastic, high-quality latex, and PVC materials, it is lightweight and durable. During the puncture, a clear sense of falling can be felt, and after successful venipuncture, there will be simulated blood return, restoring the real operation feel. Convenient disassembly and component replacement The vein and skin components of the practice arm are detachable, and the assembly process is simple and efficient. The core components support individual replacement, without the need to replace the entire set, saving practice costs and time. Complete configuration+portable design The set includes complete exercise accessories: syringe, intravenous infusion tube, liquid bottle, simulated blood powder, butterfly needle. Equipped with a portable storage bag for easy carrying, it can be practiced anytime and anywhere without the need for additional accessories. Accurately adapt to learning needs Specially designed for students and interns, the core is used to practice key skills such as blood collection, venipuncture, and puncture. Helping users quickly master practical skills is an essential tool for skill entry and proficiency improvement.