I would like to remove access to widgets.phop for subsite administrators

Built a multi site that's been running for about a year. We are up to about 30 consultants (sub sites). Growing pains include acquiring some consultants who have just enough WP knowledge/skills to be dangerous (lol).

Is there a way that I can remove access to a certain admin page? Specifically at this time widgets.php, without killing ENTIRE access to manage_options or change theme.

Thanks.