Portal:Toys/Selected picture/5
Appearance
![Lego bricks encourage learning through play.](http://upload.wikimedia.org/wikipedia/commons/thumb/3/32/Lego_Color_Bricks.jpg/250px-Lego_Color_Bricks.jpg)
A construction set is a set of standardized pieces that allow for the construction of a variety of different models. The pieces avoid the lead time of manufacturing custom pieces, and of requiring special training or design time to construct complex systems.