| 1. |  | Happy Train 27 Sep 2009 Quality rating: 8 (8 votes) |
| 2. |  | Sunrise 26 Sep 2009 Quality rating: 5 (9 votes) |
| 3. |  | mirror image 28 Jan 2010 Quality rating: 5 (11 votes) |
| 4. |  | Worm and Apple 6 Feb 2010 Quality rating: 5 (5 votes) |
| 5. |  | Race car 28 Apr 2010 Quality rating: 4 (6 votes) |
| 6. |  | Innovate through random stimulation 1 Oct 2009 Quality rating: 3 (7 votes) |
| 7. |  | Drawfind concept 25 Oct 2009 Quality rating: 3 (5 votes) |
| 8. |  | The old castle 8 Feb 2010 Quality rating: 3 (7 votes) |
| 9. |  | How to draw a spider web 15 Jul 2010 Quality rating: 3 (3 votes) |
| 10. |  | Gravity compensation 27 Sep 2009 Quality rating: 1 (7 votes) |
| 11. |  | Lift off 27 Sep 2009 Quality rating: 0 (6 votes) |
| 12. |  | The brain 19 Oct 2009 Quality rating: 0 (4 votes) |
| 13. |  | Wireless in flight 20 Nov 2009 Quality rating: 0 (8 votes) |
| 14. |  | Learn how to write Chinese characters 18 Oct 2009 Quality rating: -1 (9 votes) |
| 15. |  | Soccer Team 17 Jan 2010 Quality rating: -4 (6 votes) |
| 16. |  | Teaching a 4-year-old math 26 Nov 2009 Quality rating: -5 (5 votes) |
| 17. |  | A special moment 9 Jan 2010 Quality rating: -5 (5 votes) |
| 18. |  | ladder 10 Feb 2010 Quality rating: -7 (7 votes) |
| 19. |  | curves 6 May 2010 Quality rating: -8 (10 votes) |
| 20. |  | red john 1 May 2010 Quality rating: -10 (14 votes) |