kiddie table

noun2

1. •
   The gathering place, forum, or venue assigned to less prominent or less capable participants in an event.

   • EW: You’re nominated for the Best Album for Children. Does that mean you have to sit at a kiddie table? JR: We are relegated to a pre-televised ceremony. — 2011
2. •
   (informal) At family events, the dining table where children are seated together, separate from the table(s) reserved for adults.

   • Children gathered at the kiddie table and adults enjoyed conversation and, of course, everyone enjoyed the turkey dinner. — 2014