They provide relief to the gums and also help the teeth to break through gums. When teeth push through the gums during this period, it is at times irritable and painful and children do require something to bite on. This irritation can lack of sleeps and discomfort and they look for any things to bite on like their thumb or whatever object that they can lay their teeth on. Now, not all objects are suitable as either they are too small and involves the risk of swallowing them or they may be made from harmful material. However, you don't need to worry as Fun skool brings you Clackie Too thies, a safe and non-toxic too thie for kids.