I saw the title and thought, "Poor Louise! She's resorted to writing about lava lamps?"

Nailed it, dear lady. 👍 Nicely done!

And OF COURSE Amazon sells them:

https://smile.amazon.com/s?k=lava+lamps&i=garden&crid=85DY4W2T9IF7&sprefix=lava+lamps%2Cgarden%2C133&ref=nb_sb_ss_c_2_10_ts-doa-p

[Only twenty bucks? Really? Hmmm...]