Ashling Cannon, 7, of Washington, using Webkinz, where virtual stuffed animals come to life.Credit...Disney LOS ANGELES � Forget Second Life. The real virtual world gold rush centers on the grammar-school set. Trying to duplicate the success of blockbuster Web sites like Club Penguin and Webkinz, children’s entertainment companies are greatly accelerating efforts to build virtual worlds for childr
![Web Playgrounds of the Very Young (Published 2007)](https://cdn-ak-scissors.b.st-hatena.com/image/square/72a41c14ef02477ef363952ecb84bd02c4a97ab5/height=288;version=1;width=512/https%3A%2F%2Fstatic01.nyt.com%2Fimages%2F2007%2F12%2F31%2Fbusiness%2F31_virtual_600.jpg%3Fyear%3D2007%26h%3D367%26w%3D600%26s%3D3d653c972026575e19a6f238ce12da6d3c082e755e7cdf89dbe8a404a2fd8173%26k%3DZQJBKqZ0VN)