LEGO is the world's leader in the production of building block toys. Lego from Denmark is not only the world-renowned children's favorite toy, but also a source of endless joy for adults who love creative DIY. Lego bricks were originally simple toys that inspired the intelligence of infants and young children. Later, they gradually developed and have a variety of series, which are quite attractive to boys and girls of different ages. It is estimated that more than 300 million children have Lego bricks.