This Project Based Learning Activity will get your students excited about learning! STEM Starting a Class Lemonade Stand will introduce students to entrepreneurship. Students create a lemonade stand business. Students work as entrepreneurs, develop a product, and market their product. Students learn many important economic concepts as they create a business plan and design a lemonade stand business. This activity can be a real live learning event! Students will love learning about economics as they turn lemons into lemonade!