Discover how to build a Water Tank Overflow Alarm with this easy DIY science project! Perfect for students and STEM enthusiasts, this step-by-step guide teaches you to create a low-cost, eco-friendly water level indicator using simple electronic components. Learn the science behind water sensors, prevent water wastage, and impress at your next science fair. Download free circuit diagrams, materials lists, and troubleshooting tips. Start your journey in electronics and water conservation today!"This description is optimized with keywords like "water tank overflow alarm," "DIY science project," "water level indicator," and "STEM," helping it rank higher on Google and attract the right audience.