Related Clues:

• Cause of an ''aha'' moment
• Brain output
• It might come off the top of your head
• Inventor's forte
• Think tank offerings
• Creative thoughts
• Brainy output
• Noodle output?
• Thinker's output
• Thought products
• Its icon is a light bulb
• Think-tank nuggets
• Creative contribution
• ''You have no ___!''
• They may be bright