Today, we dive into the most beloved part by LEGO GBC (Great Ball Contraption) builders: the chrome cup. This rare and elusive part typically sells for 6 euros ($6.50 USD) on BrickLink and is being hoarded by some of the greatest builders—and it isn’t because it is shiny. Animated gif by Frederik hareide. Where did the part originate from, and why has it only ever been produced in one color? Why is the chrome cup being hoarded by GBC builders? And are there any alternatives? Read on to learn about the legend of the chome cup. History of The Legendary Chrome Cup The chrome cup was released long before the first LEGO GBC ball existed in 1993. It was featured in sets 9701-1 and 9702-1 as part of the Educational & Dacta Control Lab sets. As the BrickLink name suggests, the part’s primary function is to reflect the light in a...

