Bob the constructor

21 mins 43 secs

37 mins 57 secs

8 mins

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51 secs

14 secs

3 mins 41 secs

15 secs

1 min 48 secs

51 secs

42 secs

49 secs

25 secs

8 mins 41 secs

10 mins 5 secs

12 mins 12 secs

1 min 2 secs

1 min 4 secs

2 mins 30 secs

2 mins 24 secs

26 secs

55 secs

2 mins 18 secs

2 mins 51 secs

13 mins 49 secs

26 secs

1 min 25 secs

21 secs

52 secs

5 mins 3 secs

2 mins 24 secs

8 mins 10 secs

51 secs