There are plenty of cheap plasma balls on the market. Most of them are tiny though. The Phantom Dynamics 30″ Plasma Globe is one of the largest ones we have seen. These are available in various color combinations. In fact, you can order them in 14″ to 30″ size depending on the occasion.
More gadgets like this: here
They can sync to your music and display automated flashing patterns. Power supply is included with your purchase.
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