Smart toy shopping this holiday season Looking to buy a 'green' toy for the holidays? San Francisco based Green Toys manufacture their toys out of recycled milk containers. The safe plastic material is called high-density polyethylene and it's free from suspect chemicals you might find in other children's toys. SmartPlanet talks to the co-founders about their business plan, innovative packaging concept, and how the company is reducing its carbon footprint by making its toys in the United States.