If you ever wanted to recreate scenes from movies like The Brain That Wouldn’t Die or The Man with Two Brains, now’s your chance with a plastic version now being sold online.
On a more serious note, one of the most famous thought experiments in contemporary philosophy is about a brain in a vat and is used as a way of enquiring about the nature of reality and how much we can trust our senses.
Link to fully working ‘brain in a vat’.