Rubble stone and withered wood puzzle

Quick answer：

A 'rubble stone and withered wood puzzle' typically refers to a jigsaw puzzle made up of pieces shaped like pebbles and枯木 pieces. These puzzles are crafted from natural materials and often feature intricate designs, making them popular among puzzle enthusiasts and nature lovers. They can be a fun and educational way to engage with art and nature, as well as a stimulating brain teaser.