| Title | Age |
|---|---|
| Civil engineering | 8 years, 2 weeks and 1 day |
| Robot | 8 years, 2 weeks and 1 day |
| Android (operating system) | 8 years, 2 weeks and 1 day |
| Smart Watch | 8 years, 2 weeks and 1 day |
| Smart Phone | 8 years, 2 weeks and 1 day |
| Global Warming | 8 years, 2 weeks and 1 day |
| Airplane | 8 years, 2 weeks and 1 day |
| Motor Cycle | 8 years, 2 weeks and 1 day |
| Train | 8 years, 2 weeks and 1 day |
| Car | 8 years, 2 weeks and 1 day |