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.

Indeed, in the original communication of its discovery to the French Academy, it was described as a new liquid metal, similar to mercury; but on touching with a fragment of solid gallium a portion ...

Further research is needed, but it is interesting to see how gallium, which many people just know as that funny liquid metal, ...

and gallium-indium-tin (Galinstan). Liquid metals can be synthesized and processed using various techniques, depending on the desired application and the specific liquid metal composition: Liquid ...

It is here that the sometimes-liquid metal comes in. If an atom of gallium-71 interacts with electron neutrinos, it decays ...