When the sand is filled with eggs, place it in a plastic shoe box and keep the sand damp until the eggs have hatched. Other Concerns Precautions Use only old pine cones with little or no pine scent. Fumes from fresh pine cones can kill crickets. Old egg cartons can be substituted. Do not use a metal or plastic container lid that restricts ventilation and allows humidity to increase.
High humidity promotes various cricket diseases and mites.
A gallon jar can comfortably house 15-20 crickets if they have egg cartons to climb on. Over crowding is stressful and leads to premature death. Some species of crickets are territorial. Carefully watch crickets when you place them in the container to see how they react to each other. If they are territorial, keep one female and one male in the container.