Step 1: Find a circular foam board and draw a rectangle with carbon pen.
Step 2: Cut the rectangle with a knife.
Step 3: This forms a rectangular hole.
Step 4: Put the aquarium water pump into the basin.
Step 5: buckle the freshly cut foam on the aquarium pump and let the aquarium pump be fixed in the basin.
Step 6: Then connect the extension pipe of the aquarium water pump to the water outlet of the aquarium water pump.
Step 7: Inject fresh water again.
Step 8: spread small stones as decoration.
Step 9: As shown in the red line of the figure, this is the power cord of the aquarium water pump, just connect it to the power supply.
Step 9: A small fountain is ready.