Webkinz
The toys have been advertised in a way that is similar to Ty Beanie Babies. After some time, certain types of the toy are "retired" or no longer sold. This makes the toys more valuable after they are retired and people can sell them for more money. Usually,  retired Webkinz are sold at the $20 - $100 range. (USD) Webkinz have been very popular. Ganz says more than 2 million toys have been sold to retailers. They also say there are 1 million users of the Webkinz website. More than $1 million (USD) in toys were sold in the United States in 2006.