If the crickets start making noise, get rid of them and buy young ones. They can go four weeks before they mature. The easiest way to feed your scoprion the crickets is to do it during the evening like around 8pm when they are about to start getting active. Just scare the cricket into the hide and once they are at the entrance, give them a little kick with ur finger or a stick and ur scorp should just snatch them up. It works every time with me unless he's not hungry...