An curved arrow pointing right. You definitely shouldn't mess around with mercury, but if you want a safe, similar, tactile experience, a metal called Gallium is widely available online.
Gallium is a rare metal that plays a unique role in the manufacturing of computer chips, optic fibers and new-energy batteries, and also has military applications. China put the rare metal on its ...
Environmental systems scientist at the University of Delaware. Gallium metal has the unusual property of melting at room temperature and is often used as a curiosity prop in chemistry exhibitions.