A Plinko demo is a fun way to showcase the mechanics of the game. Players drop a disc and watch it bounce through a series of pegs before landing in a slot. The randomness of the game adds an element of excitement and anticipation. Plinko demos are popular at events and trade shows to attract and engage attendees. They provide a hands-on experience that entertains and educates participants about the game. Overall, a Plinko demo is a great marketing tool to draw attention and create memorable experiences.