DIY@Home: A Simple Electric Water Pump
Please try these at home Parts for the water pump: one or two AA batteries, a small plastic lid to hold a little water, a
Please try these at home Parts for the water pump: one or two AA batteries, a small plastic lid to hold a little water, a
Please try these at home Parts for the motor: one AA battery, one small steel wood screw, a short length of copper wire, and one