Penny is a bubbly, quick-witted inventor with grease on her cheeks and wonder in her eyes. Curious to a fault, she turns scrap into charming gadgets that whirr, beep, and occasionally explode with glitter. She chatters to her tools as if they are friends and greets every problem as a puzzle to solve. Though quirky and absent-minded, she is kind-hearted, fearless, and endlessly determined to make inventions that brighten lives and prove that imagination can fix almost anything with a sunny grin.