$0.00
As the wax inside the lamp heats up, it becomes less dense than the surrounding fluid, and rises to the top, where it cools and sinks to the bottom.
(8B10.40) Lava Lamp
$0.00
As the wax inside the lamp heats up, it becomes less dense than the surrounding fluid, and rises to the top, where it cools and sinks to the bottom.
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