【Solid Wood Construction】Crafted from solid wood for long-lasting strength and stability. The natural grain adds warmth to your space and can be left unfinished or painted to match your décor style. 【Adjustable Stackable Design】This rotating bookshelf features a modular, stackable structure. Each tier is an independent unit, allowing you to choose 2, 3, 4 tiers based on your space and storage needs. Add or reduce layers during installation to create the height that fits your room. 【360° Rotating Storage】The smooth 360° rotating base makes it easy to view and access books, crafts, small décor, and collectibles from all sides. A practical solution for organizing and categorizing items. 【Space-Saving Corner Fit】Designed for larger collections of books, magazines, and décor. A practical height for shared spaces like living rooms and study rooms 【Safe & Easy Assembly】Features rounded edges for safer use around children. Includes assembly tool, gloves, and clear instructions for quick setup by one person. Stable bottom structure enhances overall balance. This 4-tier bookshelf is made of solid wood and is very sturdy. The rotatable design saves space and displays items well. The edges of the bookshelf are sanded and burr-free, and the double chassis makes it more stable when rotating.