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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
The standard interface size is 24MM
Package Dimensions: 19
and the error of one day is less than 10 seconds
stable and strong
you get more than a pastime
Small Hand Generator Children Experimental Apparatus for Physics Education RC Car_HSP The standard interface size isSmall Hand Generator Children Experimental Apparatus for Physics Education Features: . Clear Principle: The transparent plastic casing is for the clear observation of the internal structure and operating principle, manual rotation of the handle, through the gear transmission to the small generator, explaining the scientific principle that mechanical energy can be converted into electrical energy . Simple Operation: Hold the motor in the left hand,
