Yes, additional time is allowed at an additional cost of $50 per hour. We do ask that all request for additional time be made upfront when booking your party to ensure that Tikes Toybox can accommodate your request. If additional time is needed the day of the party, we will do our best to accommodate your request, however we can not guarantee approval of your request. All same day additional time request must be made at least 1 hr prior to scheduled pick up.