[header] How to care for live crickets for reptiles [title] Buy a plastic cage. [step] House your crickets in a plastic storage container. You can purchase a cricket cage from the pet store or you may use a rubbermaid tub, garbage cab, aquarium, or an old plastic food container. 
Poke a hole in the top of the container to provide some ventilation. Use a smaller container if you have a few dozen crickets or less.