Do you see a future architect in your child or yourself? I would have loved this gadget as a child, but I am lucky enough to have it now. I have always loved playing with legos as they helped my inner architecture future shine. I enjoy using these legos to explore my creativity in a stress-free and simple way. The cheapest place you will find this set (the one I recommend) is on amazon: Architecture White House Micro Blocks - 3D Puzzle Building Blocks Set Toys for Kids or Adults!
A timeless classic: The home of the President of the United States, this world-famous landmark stands as a symbol of the US government. 2021 pieces micro blocks, This micro block set is a superior building experience with greater challenge, sophistication, and detail than any other construction set.
Bring your architectural creations to life in LEGO form with LEGO Architecture Studio. In this amazing set you get over 1200 LEGO bricks and an inspirational guidebook filled with 272 pages of tips, techniques, features and intuitive hands-on exercises endorsed by leading design houses. LEGO Architecture Studio gives you everything you need to create your very own unique buildings. Let your imagination guide your design!
I know that I would have had this Airplane Lego Set one if I was still a child:
The Sydney Opera House Lego Creator set is for experts (16+) or really smart young teens, and costs over $500.