Worm Factory 360 Worm Composting Bin + Bonus "What Can Red Wigglers Eat?" Infographic Refrigerator Magnet (Black) - Vermicomposting Container System - Live Worm Farm Starter Kit for Kids & Adults The Worm Factory 360 has a standard 4-Tray size which is expandable up to 8 trays, giving it the largest volume of any home composter. The redesigned lid converts to a handy stand for trays while harvesting the compost. Included instructional manual with step-by-step guide for managing your Worm Factory 360. Bonus "What Can Red Wigglers Eat?" infographic refrigerator magnet (6" by 9") allows you to quickly determine which foods are perfect for your worms, and which you should avoid. Imagine the peace of mind you will feel knowing that your worms are always eating a healthy diet! Built in "worm tea" collector tray and spigot for easy draining.