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Plasma Ball 4"
Gather round the table and watch as the magical effects begin. Turn down the lights and experience the electronic pulsating plasma waves of the USB and Battery Powered Plasma Ball 3". This spherical piece sits atop a base and will send off bolts of light radiating from its center. Awe in the way the light rays follow your finger as you trace it along the rim of this cool-looking globe. Perfect for kids looking to learn about physics or just as a neat novelty item to display in your home.