I am 10 years old and I boght 4 chineses egg cases from carolina biollogical supply house one eggcase is tiny and I dont think it will hatch . It has been 3 weeks and 1 of the eggcase has hatched but only 3 nymph have come out 1 is dead or dieing the other has has its legg stuck in the egg case and none of them move its been a day now and still no others have hatch yet What sould I do???