Gorgeous glass replicas of sea life; nearly indestructible glass teardrops; the 19th century princess who believed she had swallowed a glass piano; and the action film prop you can eat.

Vassil, CC0, via Wikimedia Commons
The Blaschka father and son glass artists made replica jellyfish, octopi, anemones, and other sea life for museums around the world.

Mg3kc at English Wikipedia [Public domain]
Prince Rupert’s drops are tear-shaped glass curios; nearly indestructible on the thick side, but scratch the tail and they shatter immediately.

Joseph Karl Stieler [Public domain], via Wikimedia Commons
Princess Alexandra of Bavaria believed that she had a grand piano made of glass inside her stomach.

Giovanni Battista Lenardi e Arnold van Westerhout [Public domain]
If you see some glass shatter in a film or TV show, the chances are good that you could eat the result.