Lead gives you brain damage. Rock laughs.

No. Not the easily fragmented feldspar. Nice solid granite.

Oh, no no no. There are many things proven to kill you. Curare, arsenic, botulism, too much salt, not enough salt, too much water, not enough water, and on and on and on and on …

It looks like the cage has cedar chips on the bottom which is softer than the packed dirt this creature would sleep on in the wild.