Stuff with oil and water and alcohol
Pretty stuff and you can do it easily at home (they say).
(
simbosan nuck nuck nuck, Sun 23 Aug 2020, 13:22,
Reply)
For that Barbarella / Flash Gordon / Early Pink Floyd concert experience...
(
Thrill_My_Chinchilla is old and unimproved, Sun 23 Aug 2020, 15:05,
Reply)