http://www.facebook.com/merlinannualpassanz/photos/a.573784159302708/2300934449920995/Here’s at Merlin Annual Pass, we LOVE grandparents and everything they do! So what better way to celebrate National Grandparents Day than giving away 2 Merlin Annual Pass Gift Vouchers so you can say thank you. Why does your grandparents deserve to win this? Comment in comments section. Competition closes 30/10/2018 at 23:59pm.