[header] How to raise mealworms [title] Gather the supplies : [substeps] Dry oatmeal, or cornmeal. An organic source of moisture that is not likely to mold quickly. Carrots work best for this, but you can also use other fruits and vegetables such as sliced or chopped potatoes or apples. 
Three plastic containers with air-holes drilled in the tops. Several bits of cardboard in the form of egg cartons or used toilet paper rolls.