| Title | Age |
|---|---|
| Behemoth | 7 years, 47 weeks and 6 days |
| Knowledge | 7 years, 49 weeks and 5 days |
| Mars | 7 years, 51 weeks and 5 days |
| Human brain | 7 years, 51 weeks and 6 days |
| Diamond-studded | 7 years, 51 weeks and 6 days |
| How to make 20$ a week in... | 7 years, 51 weeks and 6 days |
| How to save money. | 8 years, 4 hours and 35 minutes |