LA MEJOR PARTE DE PERPETUAL MARBLE MACHINE KINETIC

La mejor parte de Perpetual Marble Machine Kinetic

I initially suggest that students study the apparatus more closely, either via a video such Ganador the one at Ref. 6 or ideally with a physical version of the toy. Teachers should make sure to purchase the genuine version of the toy and not cheap alternatives that have a motor in the hole on the upper platform that “fires” the sphere down the

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