Ben ran over to the bike rack. "Jessy, guess what?"
Jessy waved goodbye to her dad and turned to lock up her bike. "What?" She took off her helmet and smiled at him.
"You know my robot I've been building?"
"Of course." Jessy looked interested.
"Well..." Ben looked around to make sure no one was listening. He spoke in a whisper. "I know this sounds crazy, but it really works."