The polymer faux stone siding and Versetta stone products offered by Stone Selex only require a hammer and nails for installation - making it easier than traditional stone masonry:
https://stoneselex.com/Faux-Stone-Siding/Exterior-Stone-Siding
https://stoneselex.com/Versetta-Stone-Siding
https://stoneselex.com/Faux-Stone-Siding/Stacked-Stone
https://stoneselex.com/brick-and-stone/Dry-Stack-Stone-0615
https://stoneselex.com/brick-and-stone/Timber-Ledgestone-0813