Christmas decoration

thingiverse

To be molded into transparent plastic. Two tiny lights, one small resistor, a 9-volt power cell, and a switch fill out the globe. The power source delivers 800 milliamperes per hour. The current flowing through the lights is approximately 10 milliamps. With an 80-hour burn time, it will make it through Christmas. Hang it in the tree and use the switch to turn it on.