very simple to make
my first instructable:)
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Step 1: Parts Needed:
-small copper plates
-1 LED 5 mm, 3.5v
-origami lily - http://www.origami-instructions.com/origami-lily.html
-nylon or plastic bag
Step 2: The Battery
the battery- make pairs of copper plates and aluminum foil with paper tissue in between
make enough pairs to light a single LED, and strengthen them with tape or sth
Step 3: Make Two Origami Lilies
then put a LED on the bottom of one lily and glue it, then put that lily in another and glue
weld wires to LED leads and pull them through the straw
Step 4: Connect the Battery With Straw Wires
connect the battery with straw wires, but make sure it's the right polarity
tape lily's stalk to the battery and put it all in a small glass or something like that
and you're done!
I don't know for how long will it last, but it can be recharged- just put a few drops of salt water, or lemon juice in the battery