Inflatable Tentacle Arm for Halloween

ThinkGeek is offering inflatable tentacle arms for Halloween. The inflatable arms fit over your real arm as you can see in the video above. The are three feet long. The tentacle is available in red and Cthulhu green. The tentacles cost $11.99 each. Take a look:

The ThinkGeek tentacle arm is no longer being manufactured. However, Entertainment Earth has a product called the Inflatable Cthulhu Arm. It is green as you might suspect.