Well...I assembled it per instructions, just to see how it goes before I Modify. ....I am not very impressed.
The blue man turning the crank is kind of fun, but it is grossly under powered. A fresh AAA does give little pulses of water but it stalls easily and you must give it a little help to restart. I think it would run well on 3v or 4.5v
It late in the day here and I got no pumping from the solar panel. The instructions do warn that it does require a bright sunny day.
Thought I would post what all the parts look like before I "cut in"
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