Where were the LEGO robots when we were kids? LEGO Mindstorms NXT 2.0

You drag and drop. You transfer via USB cable. You build with LEGOs. You integrate the two. And now you have a ferocious looking crocogator which guards your room. It waits and watches for movement, and when it detects it, the crocogator attacks! Then you rebuild and reprogram. Now you have a machine that...