All waterfalls are two pieces a bowl and then the center mushroom waterfall part. It has a small pump hidden inside the top piece. The pump is adjustable so you can control the flow coming out and the noise of the fountain. Half wheel thrown and half hand built, made with white stonewear and fired to cone 6 it can be used indoors or outside on a table. Put your favorite air plants inside or a orchid and the water will make a perfect humidity for them to thrive in.