At Lego House in Billund, Denmark, my three-year-old kneels in front of a tumbling rainbow waterfall of blocks, fully absorbed in the creation of a Duplo mansion. Lego House – a stone’s throw from the bustling Legoland theme park resort – is a sprawling temple to play. Lego House in Billund, Denmark, is part museum and part interactive playground. Image: Lego HouseEven the national curriculum leans into this ethos, legally embedding play and experimentation as the foundation of early learning. Image: ØkolarietMain image: Lego House Travel to and from Denmark, accommodation, attraction entry fees and meals were partly covered by VisitDenmark