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stretch a string between the two bicycle spokes
and make a ballerina from a thick card sheet make
notches on both the feet
make a card sheet arch and fix the
doll
onto the arch by stapling it
in the centre
later
separate its both the legs, they must be a little apart
then take
magnets
and stick them to the end of the arms
the north sticks to the south
the nice thing about the magnets is that you can
move them up and down
and check the balance, now
place the doll
on top of the stretched string
and if you give it a little
jerk, it
dances up and down, left and right
like a little dancing doll
you can also place it
on a bicycle spoke
and this is how it rocks and roll down