This is E 7 from S 3 of Bill Nye the Science Guy tv series. 7ajjh., Aired on March 1995.
"Using a whimsical model made of a tiny staircase, wind-up penguins, and a bicycle tire, Bill Nye demonstrates the phases of the water cycle: evaporation. This time Bill Nye will be talking about the water cycle. As always ... hope you enjoy it! " -- from YouTube.
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