As already mentioned above, it is a creative way to arrange irregularly shaped and sized natural stone pavers to produce a pattern like a mosaic. In contrast to flagstone, which usually consists of big, flat stones with distinct shapes, Crazy Pavers emphasises a freeform, eclectic style that gives outdoor areas personality. https://www.crazypavers.com.au/blog/back-to-the-70s-crazy-paving-reclaims-the-spotlight/