He began to dance around because of the magic in the silk hat that they placed on his head.
"There must have been some magic
in that old silk hat they found,
for when they placed it on his head
he began to dance around"
He came to life and danced.
Frosty was a snowman made of snow of course!
Frosty's hat was made from silk .
snow
'Frosty the Snowman ' debuted December 7, 1969.
Words that can be made from the letters in 'frosty' are:forfortFrostfryoforrosyrotsosortsotsoystorystytotoy
Snow
frosty
"And two eyes made out of coal" - full lyrics at the related link below .
It is made of Kevlar.
snow
Snow of course