Welcome to Wippersnappers! WARNING: DO NOT CLICK YOUR BROWSER "BACK" BUTTON WHEN BOOKING-THE BOOKING WILL NOT PROCESS PROPERLY. If you have any difficulty while booking your general admission session, birthday, private party or summer camp online, or if you are ordering food, please call us at 503-668-7221, we will return your call when we are able. Parties must be booked 5 days ahead of today's date. General Admission may be booked up to the start of the session. Please double check the date you are booking and the session time you are booking. There are no refunds or date/session changes once a reservation is booked.