SORTING ALG A
bubble stairs in Chungnam National University
https://www.youtube.com/watch?v=VV18nfE4erU

SORTING ALG B
Selection-sort with Gypsy folk dance 
https://www.youtube.com/watch?v=Ns4TPTC8whw
+
SORTING ALG C
Bubble sort with Hungarian, folk dance
https://www.youtube.com/watch?v=Iv3vgjM8Pv4

SORTING ALG D
bubble sort ... lego edition
https://www.youtube.com/watch?v=MtcrEhrt_K0