You cannot get a copy of a professional assessment scale such as the WISC unless you are trained to administer it. You will need to contact a mental health professional or child testing center to...
used as tools in school placement, in determining the presence of a learning disability or a developmental delay, in identifying giftedness, and in tracking intellectual development.
The Wechsler Intelligence Scales are a series of standardized tests used to evaluate cognitive abilities and intellectual abilities in children and adults.
I understand only a licensed professional can obtain the tests. However, I am sure if you try hard enough you could find one. Still, it has to be administered, scored, and analyzed in a specific way...