Arthur: Every kid I know D.W.'s age is obsessed with these toys.
D.W.: Netkittens are not toys. They're "virtuable" pets.
The closest real world equivalent to Netkittens is most likely Webkinz. Created by Ganz, these toys come with a secret code that allows users care for their "pet" online. As with the NetKittens, Webkinz users can participate in an online community and earn virtual cash to spend at an online store.