Lego pieces as home construction materials? Self-storing Legos? Biodegradable Lego pieces? Legos made of recycled plastic? The brainstorm concocted by Quaid Guarino has gone from Falmouth, Maine to the desk of the president of Lego in Billund, Denmark, where the idea remains under wraps. Seven-year-old Quaid, reports indicate, is ready for his meeting — as soon as school ends for the summer.