Nanoblock Khalifa Tower Building Kit The Burj Khalifa tower in Dubai uae is the world's tallest building, stands 2722 feet tall and was completed in 2010 (550 pieces, level 3) Nano blocks are a superior building experience with greater challenge, sophistication and detail than any other construction set Build models with incredible detail, astounding Authenticity and unparalleled realism, results unmatched by other Block-Based systems With bricks as small as 4mmx5mm and manufactured to the highest tolerances for a perfect fit, make amazing 3D art that fits in the palm of your hand The smaller the brick the better the build; all sets come with detailed step by step instructions, for ages 12+