Inventions and inventors · आविष्कार और आविष्कारक
A free GK game for Class 3 children.
💡 Electric bulb and Thomas Edison, ☎️ Telephone and Graham Bell, ✈️ Aeroplane and Wright brothers, 📻 Radio and Marconi, 🖨️ Printing press and Gutenberg, 💉 Vaccine and Edward Jenner, 🔭 Telescope and Galileo, 🚂 Steam engine and James Watt, 🧮 Computer and Charles Babbage, 🍎 Gravity and Isaac Newton.