Challenging: These blocks are micro and a 2x2 block measures 8mm X 8mm. The parts are indeed quite small, NOT compatible with lego or normal block, posing a considerable challenge for both the eyes and hands. However, this complexity is part of the enjoyment Exquisite Design: The micro blocks building sets is close to the real building that is a white neoclassical sandstone building. Each element of the White House is displayed in a miniature building block model. The progression of layers are assembled to gradually discover the hidden design details Wonderful Decorative Item: The White House building set is a superior building experience. Once completed, the micro blocks set makes a stunning display piece that can be proudly showcased in any room or office and add to your collection City Souvenir & Wonderful Present Choice: It would make a great gift for a friend or loved one for birthday, Christmas, or whatever occasion you might be celebrating. I highly recommend it for those who enjoy assembly challenges and have an appreciation for world famous monuments Quality Family Project: This white house block building set is ideal for both adults and children, making it perfect for family activities. The process has been very fun and stimulating and enjoy every moment of the construction Building these takes time and precision and feels oddly therapeutic. Micro-sized bricks bring a different experience as it manages to maintain a balance between a challenging yet calming experience. But the intricate and tiny nature of the pieces obviously require your undivided attention, in a calming and soothing way. For building blocks enthusiasts seeking a great building experience, it offers a greater challenge, complexity and detail than standard-sized bricks brand. The building process is a challenging and fun activity for adults and teens alike. You also can communicate with other architects or enthusiasts, share ideas and techniques and learn together. Spend hours assembling this creative castle building kits with your kids or family, increase parent-child interaction and family intimacy. Moreover, it can stimulate children's imagination and enhance their hand-eye coordination, let little boys and girls enjoy hours of fun. It also can improve your kids' focus and concentration and train their spatial awareness.