Grade 7 course box for educators

Class 7 Teacher's Guide is part of the Key Stage 3 course material that must be bought by educators to teach the subject.
If class 6 Educator's Box has already been purchased, only Teacher's Guide of grade 7 needs to be purchased for teaching class 7.
If the complete Key Stage 3 set has already been purchased in Class 6, no purchase is needed to teach class 7.

Only newcomers who wish to start teaching the subject from class 7, must purchase the Educator's Course Box for grade 7.