A non-toxic metal that melts in your hand.
This metal melts at 30° C (86° F).
It can coat objects to make them conductive. It can coat glass to make mirrors.
This element (atomic number 31) has properties similar to aluminum, but with a much lower melting point. It combines with other metals easily to form unique alloys.
This makes a good sample for Gallium
in your collection of samples for the Periodic Table
of the Elements.