I ordinarily keep a potato sliced in half in my cricket container, though yesterday, my mom had sliced one up for them with a few eyes on it. I've heard that once a potato begins to sprout them, it becomes toxic. They haven't nibbled on the roots directly, though it's nearly been a day since the potato was in there, and wanted to know if they'd still be safe to feed to my juvenile. I've had him about 5 months and was rather small when I got him, so I don't assume he's much older than 6-7 months altogether.