A great thing about being an adult fan of Lego is watching everyone around you discover how great Lego is too. Very few things from childhood continue being fun and inspiring into adulthood. Lego just happens to cross that great barrier more often then usual.
Thinking Outside the (LEGO) Block, by Moonish, is a great example of how Lego can inspire ones creative side.
“A handful of LEGOs, or ‘Automatic Binding Blocks’ as they were originally named, are like holding a blank canvas. You are limited only by your imagination and the number of building blocks you can accumulate. But don’t stop there! Check out the following tangents and tweaks on the traditional LEGO block to inspire yourself to think outside the block:”
http://justinemendoza.wordpress.com/2012/07/07/thinking-outside-the-lego-block/