Teaching the shell

58 secs

1 min 39 secs

11 mins 46 secs

2 mins 29 secs

2 mins 51 secs

6 mins 24 secs

13 mins 49 secs

40 secs

1 min 2 secs

20 secs

50 secs

3 mins

2 mins 10 secs

24 secs

1 min 35 secs

11 secs

3 mins

44 secs

10 mins 7 secs

1 min 9 secs

4 mins 34 secs

30 secs

44 secs

2 mins 51 secs

19 mins 51 secs

26 secs

1 min 18 secs

1 min 25 secs

49 secs

1 min 49 secs

2 mins

24 secs

1 min 26 secs

24 secs

2 mins 16 secs

5 mins

10 mins 39 secs

5 mins 15 secs

7 mins 32 secs

1 min 1 sec