Unfortunately, even though the speaker sounds really good, the cheap China-made lava lamp doesn't last very long... I gave out most of my stock to friends and have three (all with damaged bases) that I kept. One no longer has any lava movement and is purely used as a Bluetooth speaker.
When we were still third-party sellers on Amazon, one of our hottest sellers was a lava lamp with bluetooth. When we closed shop, I had the remaining stock shipped to my home and these are great wireless speakers! They looked like this:
Last Fall, I did a temporary IT job helping update a bunch of Chromebooks for some schools (elementary and high school) out in Lake Oswego, Oregon (a very pretentious and wealthy area). In the elementary school they had the following book among lots of other bizarre propaganda items:
https://www.amazon.com/Im-Frog-Elephant-Piggie-Book/dp/1423183053
There were soooo many things that were wrong that I can't even mention them all here or it would just be deleted as usual.