In this O Wow Moment Video from the Children's Museum of Houston, we explore how LEDs work and how you can make a simple flashlight using an LED, some self-adhesive foam, and a battery.
टिप्पणी पोस्ट करने के लिए कृप्या लॉग इन या रजिस्टर करें
Fun Things to do
Kids and Tech
Tutorial
पढ़ाई
बच्चे
लाइट