How do you encourage 20,000 Christmas visitors to explore beyond the House? For the National Trust at Wallington, the answer lay in a real family story, a frozen pond and a little augmented reality magic. Here's how we created Robin's Lantern Quest.

What happens when you put the design of a heritage app in the hands of local schoolchildren? We worked with the North Pennines AONB Partnership and a class of Year 6 pupils from Alston to create a GPS-guided digital walking trail that gives families a reason to explore every corner of one of England's highest market towns.