Related Clues:

• One in the "terrible twos," maybe
• Many a "Finding Dory" watcher
• Nip nipper!
• Snowsuit sporter
• One in pre-K
• Tricycle operator
• One just beginning to walk
• Barney viewer
• One no longer crawling about
• Dora fan
• Potty-chair user
• High chair user
• One taking baby steps?
• Playground player
• Daycare enrollee