Is it permissible to lie to children in order to avoid fulfilling some of their demands?

Lying to children is forbidden, just like lying to adults. It has harms, including accustoming children to lying and losing their trust in their parents. However, if one is compelled to lie for a verifiable benefit without harming others, scholars have permitted it. Euphemisms are better in such cases, like Abu Bakr's statement about the Prophet, peace and blessings be upon him: "A guide who guides me." As for lying without aleviable benefit, it is not permissible.