The Worm Factory – Buy additional trays to expand your Worm Factory The Worm Factory 360 can expand to 8 trays ·        The Worm Factory can expand to 7 trays.  Visit my Store to The Worm Factories and all my items. After using your worm factory for awhile you may find that you would like to expand the number of trays you are using.  More trays allows your compost to sit longer and lets you add more food to more trays while your worms work their way to the top.   Specifications:  10 year warranty on parts and workmanship Made in the U.S.A. Made from post-consumer recycled materials   ·         Weight: 2 pounds each ·         Measures 16" x 16" x 5"      Please indicate your color preference: Black, Dark Green or Terra Cotta   Baker Online Shopping offers:  ·         Free shipping to continental USA – Must have a street address, no P.O. Boxes Alaska & Hawaii shipping rates are $55 (this includes a $10 credit) ·         Worms included is only available in the US. ·         Packages ship in 2-3 days after payment is received.     Sellebrity Analyics - Track your listings like a website