How do you make mounds in Google sketchup?

To create mounds in google SketchUp, you can use the "Sandbox" tools. First, ensure the Sandbox tools are enabled by going to View > Toolbars and selecting "Sandbox." Then, use the "From Contours" tool to create a terrain by drawing a series of line contours or importing a contour map. Adjust the height of the mounds by selecting the terrain and using the "Smoove" tool to sculpt the surface as desired.