2 Acupuncture Ears These slightly larger than life-size replicas of the human auricula (ear concha) facilitate learning and practicing ear acupuncture (also auricular medicine or auricular therapy). The models are made of high-quality 3B SKINlikeTM silicone – your guarantee for long life and a realistic ear surface structure. 18 anatomical structures are cited in an enclosed product manual to aid in finding the acupuncture points. Supplied with 5 acupuncture needles.