National Geographic Traveller - Family have teamed up with Trunki to offer you the chance to win two Trunki BoostApaks.
New to the Trunki range of car booster seats, the Star BoostApak (costing £49.99 each) doubles as a backpack: perfect as carry-on luggage with plenty of space for toys and games to keep everyone content during long journeys . It's also an ideal solution for sharing lifts and travelling in coaches or taxis. trunki.co.uk
Competition is already closed.