The age requirement to buy kitchen knives can vary depending on the country and local regulations. In many places, there is no specific legal age restriction for purchasing kitchen knives, as they are considered household items used for cooking and food preparation.
However, some regions may have age restrictions on the purchase of certain types of knives, especially those that are categorized as weapons or have specific features that make them potentially dangerous. For example, some places might have age restrictions on the purchase of certain types of chef's knives, hunting knives, or other blades with a fixed or folding mechanism.
It's essential to check the local laws and regulations in your specific area to determine if there are any age restrictions for purchasing kitchen knives or any other types of knives. Retailers may also have their policies, so it's a good idea to inquire with them if you are unsure about the rules in your location.