Buy the Treasure Hunts in London self guided hunt - there are currently four to choose from; Brixton, Spitalfields/Liverpool Street, Chingford and Cardiff.
The ClueKeeper app will guide you where to go, give you clues, provide hints, and accept answers.
Once you have worked out the answer, submit it on your phone or tablet. If the answer is correct you will get instructions on where to go for the next puzzle. You can asked for hints and skip clues, but this will cost you points.
You can even use the hunts as walking tours.
Take care on the streets. An adult must accompany children. All Treasure Hunters participate at their own risk; the writers accept no responsiblity for for any accident, injury, loss or damage caused by participation in a Treasure Hunts in London self guided adventure.