Tenga has made their name designing sophisticated toys for male masturbation, and the award-winning Tenga 3D line is one of their masterpieces. The 3D is available in three perfectly-sculpted models: The Module, the Zen, the Spiral, and the Polygon, each one as easy on the eyes as on your body. Read this post for a tour through each, including a video review by Ken Melvoin-Berg. . . . → Read More: Spotlight Review: The Tenga 3D is a Masterpiece of Form and Function