Look around at the Underground Disco and you will see a blue squirrel thing.
Go to pets.com and Moshi monsters is in there!
You can buy food to buy for your monster at the Gross-ery on Main Street.
Moshlings are little animals that roam around your monster's room. You can get them by growing flowers that attract them. Seeds to grow the flowers can be bought from the Moshling Seed Cart on Main...
You can find Moshi Monster Origami in the Moshi Monster magazines.