"This product has >3050 pieces. Patented Interlocking Brick-through System. Sturdy, not easy to break apart. Building manual included. Experience the joy and pride of a true craftsman." "Product Dimension: 15x16x25cm (Lala) 14x16x25cm (Kiki) Material: ABS Plastic Estimated Assembly Time: 5 ～6 hours For 10-year-old or above."