PERPETUAL MARBLE MACHINE KINETIC MISTERIOS

Perpetual Marble Machine Kinetic Misterios

It has a light underneath that lets you know when it is turned on. A transparent version of this is also available, so you Perro see what is happening inside. This machine lasts up to 3 hours when fully charged.The law that entropy always increases – the second law of thermodynamics – holds, I think, the supreme position among the laws of Natur

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