3D Pen - Plastic to metal, Girlfriend spider prank, Dry ice air-hockey. #3D Simo Mini

The video explores creative uses of a 3D pen, including pranking with a fake spider, transforming 3D printed objects into metal using plaster and pewter, and inventing a dry ice air hockey game. The tutorial demonstrates the versatility of 3D pens in crafting and entertainment.

What is the significance of using pewter in the metal casting process described?

Explain how the game 'dry ice air hockey' is set up and played.