Balloon Car STEM Project | Fluid Power PBL | 3D Printing + SolidWorks Engineering DesignBring real-world engineering, 3D printing, and physics into your classroom with this engaging, competitive Project-Based Learning (PBL) challenge! In this hands-on STEM project, students design, model, prototype, and test a balloon-powered racer while applying key concepts in fluid power, gas laws, and the engineering design process. Students don’t just build—they think, test, redesign, and compete like r