The actual GT3 test comprises:
Math 52 questions (48 std)
Verbal 64 questions (55 std)
Raven 60 questions (50 std)

The prep package of workbooks
math bundle (36 booklets)
reading/vocab/verbal bundle (36 bundles)
grammar bundle (36 bundles)

Each booklet has a collection of more than 100 simulated questions for pactice.