I wish the Grenade lobby would get civilian use grenades legalized in the US. Depending on the price I would buy some and run a grenade throwing contest at the gun club.
My dad has a friend who was Buddy Holly memorabilia collector. His whole house and two sheds were filled to the brim with “priceless” Buddy Holly stuff. Now he laments that nobody really knows who he was and his memorabilia isn’t worth 10 cents on the dollar.
The anvil floating on top of the mercury looks so cool. I have a small jar of mercury and I have floated one inch steel ball bearings on top of it. In Boy Scouts we took the switches from the thermostats and operated simple circuits with them. The substance is so fun.