Get stuck into a challenging 1,000-piece jigsaw and learn a whole load of new trivia while you're at it. These new jigsaws from Gentlemen's Hardware come with three different themes: Know your knots, wilderness survival tips, and beer trivia. Each one contains 20 different nuggets of information, and comes in a fully recyclable canister. Plus they also include a poster of the completed design, so you don't have to complete all 1,000 pieces if you just want to quickly check how to do a clove hitch.