dude for me it costs about 10 $
all i use is scissors ,cardboard,and paper mache,and tape
so get the stuff then shape and i would post pics but its not quite done yet
i just did the arm and forearm today it cosyts very little and is relativly strong (dont get it wet and smack it and itll be fine)
also it takes a bout 3 hours to dry in the windy sun die harry potter