STEM Cardboard Arcade Project | PBL | Simple Machines | Caine’s Arcade Inspired Looking for a high-engagement STEM project that blends engineering, creativity, collaboration, and real-world problem solving? Inspired by Caine’s Arcade, this Cardboard Arcade Project-Based Learning (PBL) unit challenges students to design and build their own cardboard arcade or carnival game using at least one simple machine! Perfect for STEM classrooms, gifted and talented programs, summer school, or any