HGS Online ShopThe models combine the idea of both ball-and-stick and spacefilling models allowing one to visualize not only molecular frameworks but also molecular structures covered with electron clouds. 2000A: Translucent except *-marked pieces below 2000B: Opaque Materials and Parts: Properly used materials, polyacetal for bonding, and ABS and polyacrylate for covering, make the model durable yet flexible. I
