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the heat sink has a temperature control switch
the weaker the magnetic field and the lower the voltage
the crankshaft
and can use it to create high-voltage lightning and do various scientific experiments
8-coil Circular Electromagnetic Accelerator with High Magnetic Beads Scientific Experiment Halloween Sale the heat sink has a8 coil Circular Electromagnetic Accelerator with High Magnetic Beads Scientific ExperimentFeatures:. Acrylic sheet on the back is the bottom plate, and the supporting positions are buckled together. The overall structure is strong and durable; each coil of the precision circuit has a separate control circuit board, which does not affect each other, and is low voltage and reliable.. Using high temperature enameled wire coil and stainless steel wire
