The Webs

 is a limited-time building that was released on October 3, 2018, as part of Act 1 of the Treehouse of Horror XXIX Event. It was the fourth prize to be won in the event's Act 1.

Regular
Mr. Burns
 * Consider Retirement - 12h

Trivia

 * Only one can be obtained.
 * It can be placed on grass or dirt.