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Lava the Original 10-Inch Mini Vortex Lamp - - Amazon.com
Lava the Original 37cm Star Vortex Lamp : Home & Kitchen - Amazon.co.jp
physicsfun on Instagram: “Vortex Lamp: a simple whirlpool powered by a magnetic stirrer like those in a chemistry lab and lit by LEDs. A DIY kit by Lava Lamp brand-…”