1. satelite ( by ambu kumar)

2. Rain detective sensor ( by ambu kumar)

3. homemade motor ( by ambu kumar)

4. Radar ( by ambu kumar)

5. automatic dustbin ( by ambu kumar)

6. Transforming robot ( by ambu kumar)

7. robotic dog ( by ambu kumar)

8. Colour detective sensor ( by ambu kumar)

9. Weather station ( by ambu kumar)

10. bancing robot ( by ambu kumar)

11. Flight controller ( by ambu kumar)

12. Power supply (build by dushyant kumar)

13. Fire alarm sensor (by dushyant kumar)

14. Water level indicator (by dushyant kumar)