. . . inside the local neighborhood, even if there is common land where children can meet and play—Common Land, Connected Play; it is essential that there be at least one smaller part, which is differentiated, where the play is wilder, and where the children have access to all kinds of junk.
Problem:
A castle, made of cartons, rocks, and old branches, by a group of children for themselves, is worth a thousand perfectly detailed, exactly finished castles, made for them in a factory.
Background & Research: Not Included on the site—Go read the book!
Solution:
Set up a playground for the children in each neighborhood. Not a highly finished playground, with asphalt and swings, but a place with raw materials of all kinds—nets, boxes, barrels, trees, ropes, simple tools, frames, grass, and water—where children can create and re-create playgrounds of their own.
Usage:
Make sure that the adventure playground is in the sun—Sunny Place; make hard surfaces for bikes and carts and toy trucks and trolleys, and soft surfaces for mud and building things—Bike Paths and Racks, Garden Growing Wild, Child Caves; and make the boundary substantial with a Garden Wall or Sitting Wall . . .
pg. 367