This Starter Kit Contains many of the items needed or helpful in starting a colony of discoid roaches. Appropriate for an approx. 20 gallon vented or open top container. (Does not contain insects or container). We recommend a clean-up crew suitable for drier environments as well. This kit is suitable for australian roaches, red runners, american roaches, discoid roaches, dubia roaches, etc. This kit contains: 30cm x 30cm egg crate flats (40ct.) Provides a suitable space for both adult roaches and medium to large nymphs 2.5kg Roach Chow (1ct.) Add three parts roach chow, two parts water, and feed immediately. This will act as a source of nutrition as well as a source of source of water. Zoo Med Eco Earth Coco Fiber Brick (1 ct.) Expands to 7-8 liters of coco fiber with the addition of water Smaller nymphs seem to love to hide in the substrate, and surface as they grow