Calling All Minds: How To Think and Create Like an Inventor

The minimum and maximum age in years for which a product is intended or suitable. It can be expressed as a single number, a numeric range (e.g., "6-8"), or an open-ended value such as "9+" indicating the lower bound only.

The city, town, or region where a product was first published, released, or made available to the public. It typically includes geographic identifiers such as city names, state or province abbreviations, and country names, and may also contain postal codes or other location details.