“How about we go to Shrek’s Adventure?” I said. We are Merlin pass holders, and my boys love a theme park. However, it’s January, and they are shut. So we decided to get the most out of our passes. Ollie is a massive fan of Shrek, so we went to Central London. Luckily, I knew precisely where Shrek’s Adventure was located. Also on Sunday, you can park in the national theatre car park for £8.50 all day which I think is a great value. Max, Ollie and I arrive at Shrek’s Adventure after some sightseeing. Ollie was really excited to see Big Ben. Shrek’s Adventure is described as a: “Brilliantly…