Why Chinese parents prefer Lego to Barbie

BUDDING ENGINEERS cluster around a table-sized model of the China Art Museum, a landmark of Shanghai, adding helipads, carrot patches and other improvements with colourful bricks. Prising a child from Lego's vast shop near People's Square can be like unsticking two stubborn bits of Lego. Li Yang, visiting for a few days from Shenzhen, has been waiting for her daughter for two hours. Zhu Yunfei, watching his son, marvels at the variety: "Coming here to play with him is making up for my childhood,...