Lego — The Brick That Held On
Author: PHoF Historical Committee
Lead Researchers: Mike Lavelle, Wendy Hoenig
Featured Hall of Fame Member: Howard Irwin
In the 1930s, families in Denmark were living through hard times. Money was tight, and many children had only a few simple toys. In Billund, a carpenter named Ole Kirk Christiansen saw the problem up close: parents wanted to give their kids something good, but they needed it to be affordable and to last. Ole’s first products were made of wood and used to make sturdy toys. Wood felt warm in the hand, and it could be repaired when a piece broke.
Wood Had Limits

But wood had limits. It could warp when it got damp and splinter when it dried out. Making many identical wooden parts was slow, and small differences meant pieces did not always fit together well. As families looked for toys that could be shared, cleaned, and used repeatedly, they needed more. They needed parts that were consistent, easy to wash, and that connected every time. Ole Kirk Christiansen, founder of Lego, and his son, Godtfred, pushed for a bigger idea: not just single toys, but a whole system of play where one piece could join another and keep joining, year after year. Plastics would make that system possible.
A Bigger Idea: A System of Play
After World War II, Ole’s workshop invested in an injection molding machine, and the company began molding parts of the same size and smooth finish every time. In 1949, they introduced early plastic building bricks, and Godtfred kept improving them until the modern LEGO brick design could “hold on” properly. When the tubes were added beneath, the bricks formed a strong bond: they stuck together firmly, but children could still pull them apart. Plastic bricks were light, colorful, and tough. They did not splinter like wood, and they could be produced in huge numbers, so a child in one town could build with the same pieces as a child far away.
Plastics Would Make That System Possible

Ole Kirk Christiansen
Plastics turn ideas into dependable products, improve safety and cleanliness, and make high-quality goods available to more people. A LEGO brick is a small example of precision—made to fit, built to last, and designed so yesterday’s pieces still work with today’s sets. Plastics makers and designers continue to innovate, working on better recycling, smarter designs, and new ways to keep materials in use longer.
A Small Example of Precision

Godtfred Kirk Kristiansen
From Ole’s and Godfred’s vision to playrooms around the world, plastic helped achieve Lego’s vision to help children “leg godt”, (Danish for play well).




