Attraction Tickets Direct are doing Adult tickets for the price of a childs ticket for use up to 28th June '13. £25 instead of £30 plus a $10 Planet Hollywood voucher. Terms and Conditions. Offer is valid for all bookings made by 31 March and visiting Kennedy Space Center before 28 June 2013. Offer is only valid for the Kennedy Space Center Admission Badge or Kennedy Space Center with Transportation tickets only and is not valid with any other Kennedy Space Center Ticket type.