The Smithsonian's Lemelson Center for the Study of Invention and Innovation Beanie illustration

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During National Inventors’ Month 2009, the Lemelson Center and LEGO Systems, Inc., hosted a two-day collaborative build of an eight-foot-tall lightbulb made entirely of LEGO bricks at the Smithsonian’s National Museum of American History. The universal symbol of a big idea, the lightbulb was assembled by Museum visitors with the help of LEGO master builders. It weighed 400 pounds and was made up of 300,000 LEGO bricks!

Here's a time-lapse video of the giant bulb as it was built!

See cool photos from the event!

Use these instructions to build a mini-model of the lightbulb using your own LEGO bricks!