Additional featuresUse indoors during winter and outdoors in ummerCan house 6 000 worms (not included) that consume 5-8 lbs. of food per weekApproximate weight is 13 lbs.5 year warranty on parts and workmanshipRecycles kitchen waste and junk mail into nutrient-rich compostCompact design with odorless operation What is The Worm Factory 3-Tray Worm Composter - Terra Cotta and how does it work?The Worm Factory is a multi-tray worm composter that helps manage the composting process. Fill each stacking tray with kitchen scraps such as newspaper junk mail vegetables fruits egg shells coffee grounds paper and cardboard into nutrient-rich compost for your garden. Most "Master Gardeners" consider worm castings to be the very best compost available. Your plants will thrive with this all-natural compost. Sorting out the undigested scraps can be a messy inconvenient chore with ordinary worm composters.Worms start in the bottom tray and migrate upward as they break down the waste. This allows worms to separate themselves from the finished compost making it easy to add nutrient-rich fertilizer to plants and gardens without sorting worms. Additionally nutrient-rich moisture is captured in the collection tray and can be drained as liquid fertilizer known as "worm tea".What are the benefits of using The Worm Factory?The Worm Factory is Compact:With its square design and having the smallest footprint of all the worm composters The Worm Factory works great for anyone with space requirements. The Worm Factory uses a tray stacking system which allows it to hold the largest capacity of compost in the smallest amount of space.The Worm Factory is Odorless:The ventilation lid allows proper air flow and the instruction manual helps you manage The Worm Factory correctly to prevent odor. This means that The Worm Factory can be used year round and can be housed anywhere including apartments kitchens garages porches etc.The Worm Factory is Easy to Manage:The 16 page instruction manual makes the setup process fast and easy and gives detailed instructions on how manage the bin year round. Each tray holds 12.5 lbs. of compost which makes lifting and arranging trays effortless. The ventilation lid also contains a list of composting tips for quick reference.The Worm Factory Saves Time:Let The Worm Factory do the work for you! Instead of spending time turning piles of compost yourself and removing worms by hand the multi-tray system separates the worms from the compost so you don't have to. Also because the worms continually eat through your kitchen scraps and junk mail nutrient-rich compost is produced at a faster rate than traditional ways of composting. In full operation the Worm Factory houses 6 000 worms consumes 5 to 8 lbs. of food a week allowing you to harvest a full tray of nutrient rich castings every month.This allows you to bring rich dark compost to your plants and gardens at a faster rate.