JEKCA explores around the world and introduces a new series “Architecture and Wonders” with 5 amazing landmarks as a debut. The same as other JEKCA brick sculptures, this new series are to be built very sturdily by our patented brick-through interlocking system. No glue is needed. Instruction manual is step by step and straightforward. It’s time to rebuild the Wonders at home! Number of Bricks 2060 JEKCA has patented inter-locking brickthrough System, which turns stacked building blocks into very sturdy structure without using glue. This process is completely reversible and so you are allowed to “make mistakes” during the process, or recreate it into another item you want. Small Object Risk: Please be aware that the packaging of this product contains small objects. To prevent choking or other accidents, please keep these small objects away from young children and pets.