2026-10-11
100 Products That Changed the World · #18: The LEGO brick
On January 28, 1958, a toy workshop in Billund, Denmark, filed a patent: adding three hollow tubes inside a plastic brick so pieces could snap together firmly yet pull apart easily. The manufacturing tolerance was fixed at 0.002 millimeters, so a brick molded today still clicks securely onto one from 68 years ago. #18 of 100 products that changed the world, overall 92.45, durability 98 at the top, UX 95, originality 92.