Acid Pools

The  is an ex limited-time premium decoration that was released on June 3, 2017, during Act 1 of the Time Traveling Toaster 2017 Event. During the event, it gave 675 Tachyons.

It returned in the Time Travel Mystery Capsule on August 24, 2018, during Moe's Ark 2018 Event.

It returned on March 13th 2019 in the Yearbook Mystery Box.

Trivia

 * Only one can be obtained.
 * It can be placed on grass, dirt, or beach.
 * On March 14th, the Yearbook Mystery Box had it's end date removed, making it permanent.