Permits the realistic practice of venipuncture techniques as well as being excellent models to practice the mechanics of "no stick" IV catheters. Displays blue veins which are barely discernable through the semi-transparent, tissue-like material. When accessing, the skin rolls as you palpate the vein and a "pop" is felt as the needle enters the vein. Model has three different-sized veins, at varying depths. Enables the user to increase the difficulty and thus improve skills. Lightweight, easily transportable, economical, and non-staining training model is an alternative to larger, heavier, and more expensive models.