Celebrate in design and style with A non-public party place, perfect for birthdays, crew events and more! Trampoline Arena Birthday parties is usually rescheduled or cancelled approximately 7 days prior to the event date for a full refund. Cancellations designed inside 7 days in the event are subject to the http://ezproxy.cityu.edu.hk/login?url=https://en.wikipedia.org/wiki/Birthday