Related Clues:

• Set (down)
• Good thing to get
• Common Lionel layout
• Like a zero
• Sort of round
• "The best-___ plans..."
• 'The best-___ plans...'
• Placed (with ''down'')
• Track configuration
• Miler's loop
• Typical track
• Like acorns, usually
• Track path
• Eyeglass lens shape
• Tot's circle, perhaps