Your website is amazing! My 10-yr-old child is reviewing for Grade 4 Theory exams right now. Not being a Music major myself, I've been wondering how to help him in his review and simplify the lessons for him because the ABRSM Theory books are not that easy to understand.
I have yet to show him your website but I'm sure he will be amused and thrilled to see that the answers appear when you move the mouse to the right spot.
Great job and really a big help to students, especially the younger ones.