This clip is from a film exploring the 1969 Moscow International Competition of Ballet Artists at the Bolshoi Theater. It features a young Mikhail Baryshnikov, who won, as well as the silver medalist from Japan.
Jumping! Kicking! Spinning! Leaping in circles! Tippytoes! Sounds like ballet dancers do a lot of what kids do. Sounds like the kids should see this. And as a bonus, check out Baryshnikov’s pirouette combo, and then clear some space in the living room for the inevitable spinning.