I boxed 'em all up and stuck them in the attic at my parents. Nothing helps expand the mind like Legos. A toy that actually won't cause you to be stupider when you are done with it.
Most of the toys I had I sold. (garage sale, etc.)
But I have a TON of Legos - and, since they are a little pricey, they went upstairs for my kids to play with someday. Right next to the Matchbox cars and Micro Machines.