Demonstrated as a weighting object

7 mins 59 secs

8 mins

12 mins 6 secs

8 mins

10 mins

9 mins 55 secs

4 mins 17 secs

12 mins 34 secs

9 mins 56 secs

13 mins 38 secs

12 mins 33 secs

12 mins 29 secs

46 secs

10 mins 36 secs

32 mins 9 secs

12 mins 18 secs

1 min 48 secs

17 mins 14 secs

1 min 49 secs

20 mins 51 secs

3 mins 1 sec

3 mins 1 sec

17 mins 39 secs

15 mins 34 secs

7 mins

33 mins 29 secs

6 mins 1 sec

4 mins 46 secs

5 mins 9 secs

15 mins 55 secs

10 mins 7 secs

15 mins 40 secs

15 mins 2 secs

16 mins 9 secs

11 mins 18 secs

17 mins 49 secs

6 mins 56 secs

15 mins 35 secs

6 mins

7 mins