buildabearville is a virtual world where you create a person and walk around making friends and earning bear bills to buy clothes and furniture.
you do not need to pay anything and is 100% free.
Well i recommend you go to Build a Bear.com and search V.I.B. Cards. They cost money but its worth it! By the way V.I.B. means very important bear... Remember Build-a -bear.com
If you want bear bills to spend you can play on games against somebody or on your own, or if you have something to sell that cost a bit of money you could sell that and get the money that the item cost. if you want you can try trading with somebody that has money but they might cancel it so watch out!