Handmade materials: 100 pesticide-free Japanese walnut (hime kurumi) harvested in the Chuetsu region of Niigata Prefecture in 2025. These are natural products, so the color and shape vary. (Size is approximately 2 x 3 cm.) Some dirt may remain. Use them in various ways, such as by drilling holes or combining them with other materials. You can eat the contents, but please do so at your own risk. This listing is for handmade materials. Please refer to the images for details. Thank you for viewing.