I'm starting to get concerned. She's 16 months, but she puts everything in her mouth. And she's not just tasting it, buy eating it! Rocks, crayons, chalk, lotion (ewww!), sunscreen, bubbles.... I mean, she's obsessssssed with it. I have tried distracting, redirecting, telling her no in every way I can... but she still eats it. Even when it tastes nasty and she spits it out, she will still go in for another bite.

Is this normal toddler behavior or does my girl just have a strange pallet? What age does it stop?