Can I use my Merlin Pass Share the Fun vouchers at The Blackpool Tower Circus? Share the Fun vouchers can only be redeem for The Blackpool Tower Eye. Related articles How do I purchase Merlin Pass Friends and Family tickets for The Blackpool Tower Circus? Do I need to pre-book entry to the Blackpool Tower Circus with my Merlin Pass? How can I book tickets for The Blackpool Tower Circus? Are there any restriction dates for using my Merlin Pass at The Blackpool Tower Circus? How do I redeem my Share the Fun vouchers at The Blackpool Tower Eye?