"I have the Batman!" a third added excitedly. It's also good news if you have anything from the 2004 Sonic Happy Meal range, as one recently sold for £60 online. Smurfs are fetching up to £90 ...

The Happy Meal boxes are branded with Sonic himself or his nemesis ... including the box, which features images of all eight toys on one side. But fans don’t seem too busted up over learning ...