This climbing wall, called the "Boulder Block," is the world's smallest climbing wall. Handcrafted from durable, eco-friendly wood, it features 12 hand-cast resin climbing holds. This compact cube, only 15 cm tall, helps climbers improve grip strength, finger strength, and forearm strength. With the included Allen wrench and screws, you can rearrange the holds to create new challenges, making it a customizable training tool suitable for any location. The principle is simple: simply "climb" the boulder with your fingers, starting from one hold and ending at another – just like tackling a real bouldering route. The adjustable holds allow you to design new climbing routes at any time, providing endless ways to challenge your grip strength and creativity. Whether you're training alone or competing with friends, it's a fun and engaging way to stay in shape. Designed for climbers of all levels, this climbing block offers a screen-free, fun way to train at home. Simply climb the block with your fingers, solving puzzles just like on a real rock wall. Whether for solo practice, warm-ups, or friendly competitions, it adds focus and creativity to your daily training and looks great on a desk, bookshelf, or coffee table. Product Specifications: Product Name: Boulder Block Product Weight: 450 grams Material: Solid wood base + resin climbing holds Package Contents: 1/2 * Boulder Block Notes: 1. Due to manual measurement, please allow slight measurement deviations. 2. Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown in the pictures. After-Sales Service: The product information displayed in this store is accurate, and the displayed product is the actual product for sale. We prioritize customer experience. If you are not satisfied with the current situation, please feel free to contact us.