Attribute Widgets helps customers to search product by attributes on front-end.
To display attribute widgets on front-end, go to Dashboard/ Appearance/ Widgets and look for WC Product Builder Price Filter, WC Product Builder Rating Filter and WC Product Builder Attribute Filter. Drag and drop these widgets into WC Product Builder Sidebar. Take note that you may need to add the widget WC Product Builder Attribute Filter many times because each attribute will cost a widget.
In each widget settings, you can edit the widget title and click on the Attribute to select an attribute slug.