I have the 6 Baghdad batteries and have configured them in series, parallel, and series-parallel. Each has only achieved 0.01 on average with some fluctuation but this is not enough to turn on the LED light. So some more adjusting is in the future.
check if copper is touching iron
try another acidic liquid besides 1 year old white vinegar
try to jump a car
check if copper is touching iron
try another acidic liquid besides 1 year old white vinegar
try to jump a car