 |
 |
 |
 |
 |
 |
| 1. Boomerang (J) |
2. Five Petals (J) |
3. Fixed Point (J) (Wiki) |
4. Boolean Algebra (J) |
5. Stroboscope (J) |
6. Egg Shape (J) |
 |
 |
 |
 |
 |
 |
| 7. Barcodes (J) |
8. Harmonic Series (J) |
9. Moebius (J) |
10. Hexaflexagon (J) |
11. Inside out (J) |
12. Miura Folding (J) |
 |
 |
 |
 |
 |
 |
| 13. Sepak Takraw (J) |
14. Increasing of Areas (J) |
15. Kapreker 6174 (J) |
16. Palindrome 196 (J) |
17. Oldham's Coupling (J) |
18. Planimeter (J) |
 |
 |
 |
 |
 |
 |
| 19. Sicherman Dice (J) |
20. Montmort's Theory (J) |
21. Random Number (J) |
22. Root 2 (J) |
23. Cycloid-Brachisto (J) |
24. Machin and Pi (J) |
 |
 |
 |
 |
 |
 |
| 25. Burnside's Lemma (J) |
26. Heptadecagon (J) |
27. Sudoku (J) |
28. Odd and Even (J) |
29. Curves and Straight (J) |
30. Finger Counting (J) |
 |
 |
 |
 |
 |
 |
| 31. Writing Direction (J) |
32. Penney Ante (J) |
33. Flex Geometry (J) |
34. Van Aubel's Theorem (J) |
35. Red or Black (J) |
36. Similarity Transform (J) |
 |
 |
 |
 |
 |
 |
| 37. 52 Cycling Cards (J) |
38. Straw Flute (J) |
39. Minor Keys (J) |
40. Benham's Top (J) |
41. Two Thousands Yen (J) |
42. Unit Fraction (J) |
 |
 |
 |
 |
 |
|
| 43. Card Shuffle (J) |
44. Kruskal Count (J) |
19 faces of Flexagons |
1/998001(J) |
Random dots, Regular dots |
|
|
|
|
|
|
|
Ref
