After you sign in, click on the General Admission tab and you will be able to add additional tickets for non-member guests. You will automatically receive the discount that is appropriate for your membership level: Family membership - $8.00 discount per ticket for up to four tickets each visit Family Plus membership – two free tickets each visit Advocate and Inquirer membership – four free tickets each visit Innovators Circle and Directors Circle membership – unlimited free tickets each visit There will be a small credit card fee even for your free admission tickets. To avoid this fee, get your guest tickets in person.