Water runs from the top and drips down to the crystal ball. It makes the crystal ball roll and falls down to the next level, then to the round base.
The indoor water fountain is made of resin. The dimension of it is approx. 8 1/2" x 8 1/2" x 10".
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Fountain works well. The glass ball on upper level spins, and there is a multicolor light fixture not shown in photo that will shine four alternating colors through the spinning glass ball. Waterfall sound is gentle. Pump is fairly quiet. I like this water fountain!