Cao Gang Waterfall Landscaping is actually a quicksand cycle, and the simple production method is as follows:

1. Prepare materials such as air pump, gas stone, rectangular foam, PVC pipe and plastic container.

2. Empty the middle of the foam board, which is big enough to insert PVC pipes.

3. Drill two holes in the proper position of the PVC pipe, cut two small holes in the foam board corresponding to the drilling of the PVC pipe, and obliquely cut the lower opening.

4. Put a plastic container at the exit below to put the white sand.

5. The air pump and gas stone are connected to the PVC pipe to drive the white sand in the plastic container to move, creating a waterfall effect.

See the figure below for the principle:

Adding other scenery, the final finished product effect is as follows: