Is the resource appropriate for use by children in primary settings?
How significantly does the benefit of the resource outweigh its cost?
How innovative is the resource? What does it offer that hasn’t been offered before?
How well does the resource withstand the rigours of use in a busy primary setting?
How successfully does the resource promote children’s learning and development?
How usable is the resource for educators without extensive subject expertise? eg for teachers who can’t read music or don’t speak a modern foreign language.