Each week our friends at Inhabitat recap the week’s most interesting green developments and clean tech news for us — it’s the Week in Green. It’s been a great week for two of our favorite things over at Inhabitat: LEGOs and Star Wars . First, a group of LEGO builders from LEGOLAND Windsor built the tallest LEGO tower ever , snatching the title back from South Korea and returning it to the UK. Then, using 152,455 LEGO bricks, Rolls-Royce built a half-size replica of the jet engine that powers the Boeing 787 Dreamliner. In one of the most ingenious LEGO constructions ever built, LEGO pro Rene Hoffmeister built a barrel organ that plays the Star Wars theme song .