Can I use my Merlin Pass Share the Fun vouchers at The Blackpool Tower Circus? Share the Fun vouchers can only be redeemed for The Blackpool Tower Eye -please click here Related articles How do I purchase Merlin Pass Friends and Family tickets for The Blackpool Tower Circus? How do I contact you with a guest enquiry? Do I need to pre-book entry to the Blackpool Tower Circus with my Merlin Pass? My voucher says I can use it online - where do I enter my code to book The Blackpool Tower Circus?