Kate Middleton joined schoolchildren on a field trip to the National Portrait Gallery in London, where she played a classic road trip game during the bus ride.

Bingo has come up with some exciting things to play I Spy with on a long Family Trip! Have some fun with your long journey and keep an eye out for these Bluey Family Trip themed objects.

Rather than a formal entrance in a royal car, the princess stepped off the minibus holding hands with a little girl as the school trip arrived ... playing I-spy with them and helping with their ...