The puzzle box contains 18 wooden blocks which consist of four basic forms: I (4), L (6), S (2), C (6). By joining the circular faces end to end on a horizontal surface, the building blocks can be assembled in a multitude of ways that create free-standing circuits, with no beginning or end.

I | L | S | C | Description | Solution | ||

1 | 2 | 2 | Use 2 C blocks to form the simplest circuit, the only one consisting of 2 blocks only. | ||||

2 | 3 | 2 | 1 | Use 2 L blocks and 1 C to form the only circuit consisting of 3 blocks. | |||

3 | 4 | 2 | 2 | Use 2 L blocks and 2 C to form a free-standing circuit consisting of 4 blocks. | |||

4 | 4 | 4 | Use 4 C blocks to form a free-standing cube circuit. This circuit fits into a box with the side length of twice the diameter of the circular faces (2x2x2). | ||||

5 | 5 | 2 | 1 | 2 | This circuit consists of 5 blocks. | ||

6 | 6 | 2 | 1 | 3 | This circuit consists of 6 blocks, but only 1 L is allowed to touch the horizontal surface. | ||

7 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a circuit within the box provided, 6x6x1. | |

8 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a circuit fitting into the box 3x3x4. | |

9 | 6 | 2 | 4 | Use 2 L blocks and 4 C to form a circuit, that also stands upside down. | |||

10 | 8 | ? | ? | ? | ? | Use 8 blocks to form a circuit fitting into the box 4x4x1 and 2x2x4. | |

11 | 9 | 6 | 3 | This circuit consists of 9 blocks, but only 2 L are allowed to touch the horizontal surface. | |||

12 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a circuit fitting into the box 3x2x6. | |

13 | 12 | 2 | 4 | 6 | Use this 12 blocks to form a circuit fitting into the box 4x2x3. | ||

14 | 10 | 2 | 2 | 1 | 5 | Use this 10 blocks to form a circuit standing on the horizontal surface 2x2. | |

15 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form 4 circuits within the box provided, 6x6x1. | |

16 | 10 | 4 | 2 | 4 | Use two Puzzle No. 5 to form a circuit by rotating only 2 blocks. | ||

17 | 13 | 6 | 1 | 6 | This circuit fits into the cube box, 3x3x3. | ||

18 | 9 | 3 | 6 | This circuit also stands upside down. | |||

19 | 10 | 2 | 2 | 6 | Use this 10 blocks to form a circuit standing on the horizontal surface 2x2. | ||

20 | 12 | 6 | 6 | Use this 12 blocks to form a circuit fitting into the box 2x2x6. | |||

21 | 16 | 4 | 6 | 6 | Use this 16 blocks to form a circuit fitting into the box 2x2x8. | ||

22 | 6 | 2 | 1 | 3 | This circuit also stands upside down. | ||

23 | 4 | 2 | 1 | 1 | Use this 4 blocks to form a circuit. | ||

24 | 6 | 6 | Use this 6 blocks to form a circuit. | ||||

25 | 10 | 4 | 6 | Use this 10 blocks to form a circuit fitting into the box 2x2x5. | |||

26 | 6 | 2 | 1 | 3 | This circuit consists of 6 blocks, but only 1 C is allowed to touch the horizontal surface. | ||

27 | 16 | 4 | 6 | 6 | Use this 16 blocks to form a circuit fitting into the box 3x3x4 and standing on the horizontal surface like puzzle No. 23. | ||

28 | 9 | 4 | 1 | 4 | This circuit fits into the box 3x3x2. | ||

29 | 16 | 4 | 6 | 6 | This circuit fits into the box 4x2x4. | ||

30 | 10 | 2 | 2 | 1 | 5 | Use this 10 blocks to form a circuit standing on the horizontal surface 3x2. | |

31 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a circuit fitting into the box 9x4x1. | |

32 | 10 | 4 | 2 | 1 | 3 | This circuit also stands upside down. | |

33 | 9 | 1 | 2 | 2 | 4 | This circuit consists of 9 blocks, but only two blocks are allowed to touch the horizontal surface. | |

34 | 12 | 1 | 6 | 2 | 3 | Use this 12 blocks to form 2 circuits with the same course. | |

35 | 6 | 3 | 3 | This circuit also stands upside down. | |||

36 | 14 | 4 | 4 | 6 | Use this 14 blocks to form a circuit fitting into the box 2x2x7. | ||

37 | 12 | 4 | 2 | 6 | Use this 12 blocks to form 2 circuits fitting into the box 3x2x4. The 2 circuits also stand upside down. | ||

38 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form 5 circuits within the box provided, 6x6x1. This puzzle has no solution. Why? | |

39 | 7 | 1 | 2 | 2 | 2 | Looking for the circuit with the largest hight. | |

40 | 12 | 2 | 6 | 4 | Use this 12 blocks to form a circuit fitting into the box 3x2x4. | ||

41 | 10 | 4 | 4 | 2 | Use this 10 blocks to form a circuit fitting into the box 2x2x5. | ||

42 | 12 | 1 | 4 | 2 | 5 | This circuit fits into the box 3x2x5. | |

43 | 12 | 4 | 2 | 6 | This circuit fits into the box 3x2x5. | ||

44 | 10 | 2 | 2 | 6 | Use this 10 blocks to form a circuit fitting into the box 2x2x5. | ||

45 | 8 | 2 | 6 | This circuit fits into the box 2x2x4. | |||

46 | 7 | 4 | 1 | 2 | This circuit fits into the box 5x4x1. | ||

47 | 10 | 4 | 6 | This circuit fits into the cube box, 3x3x3. | |||

48 | 14 | 2 | 4 | 2 | 6 | This circuit fits into the box 4x2x4. | |

49 | 9 | 4 | 5 | This circuit fits into the box 3x2x3, but does not stand upside down. | |||

50 | 10 | 4 | 2 | 4 | This circuit fits into the box 3x2x4. | ||

51 | 8 | 4 | 4 | This circuit fits into the box 2x2x4. | |||

52 | 11 | 3 | 2 | 6 | Use this 11 blocks to form a circuit standing on the horizontal surface 2x2. | ||

53 | 4 | 4 | Use 4 L blocks to form a circuit in two ways. | ||||

54 | 8 | 4 | 2 | 2 | Use this 8 blocks to form a circuit standing on the horizontal surface 3x2. | ||

55 | 10 | 4 | 1 | 5 | Use this 10 blocks to form a circuit standing on the horizontal surface 2x2. | ||

56 | 9 | 4 | 5 | Rotate by 180 degrees returns the same circuit. | |||

57 | 14 | 6 | 2 | 6 | This circuit fits into the box 4x2x4. | ||

58 | 11 | 6 | 2 | 3 | 2 S touch the horizontal surface. | ||

59 | 18 | 4 | 6 | 2 | 6 | This circuit surrounds the largest area. | |

60 | 10 | 1 | 6 | 1 | 2 | Use this 10 blocks to form a circuit with the maximum height. | |

61 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form 2 circuits within the box provided, 6x6x1. | |

62 | 9 | 2 | 2 | 2 | 3 | Rotate by 180 degrees returns the same circuit. | |

63 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a circuit with a L shape. | |

64 | 6 | 4 | 2 | Use 4 L blocks and 2 C to form a circuit fitting into the box 2x2x3. | |||

65 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form 3 circuits within the box provided, 6x6x1. | |

66 | 14 | 4 | 4 | 6 | This circuit fits into the box 4x2x4. | ||

67 | 18 | 4 | 6 | 2 | 6 | Use all 18 blocks to form a open circuit with one beginning and one end within the box provided. | |

68 | 13 | 6 | 2 | 5 | This circuit fits into the cube box, 3x3x3. | ||

69 | 12 | 4 | 2 | 6 | Use this 12 blocks to form a circuit standing on the horizontal surface 2x2. | ||

70 | 17 | 3 | 6 | 2 | 6 | Use this 17 blocks to form a circuit fitting into the box 3x3x4 and standing on the horizontal surface like puzzle No. 23. | |

71 | The next puzzle will be published here on
Thursday, I do not know, but WAY has now arrived in reality. Look up for ROUNDABOUT by popular playthings. |