Danish building toys

Denmark gave the world the LEGO brick. Ole Kirk Christiansen, a carpenter in Billund, began making wooden toys in 1932, and the brick took its modern form in 1958; bricks from that year still fit the ones made today. Plus-Plus, a single interlocking shape for building flat and in three dimensions, began in Holbæk in the 1980s and is still made in the company's own factory there.