Product Name: Tumi Ishi (Wooden Balancing Stones) Material: Natural solid wood (commonly oak, beech, maple, walnut, or a mix of hardwoods) Shape: Irregular, faceted stones resembling natural rocks. Each piece is handcrafted for uniqueness. Color: Natural wood tones (light to dark depending on the type of wood) or painted with non-toxic, water-based dyes. Texture: Smooth, polished surface, free from splinters.