The Synopsis conundrum

I would suggest it (I'm not an agent; you'd likely do better at AgentQuery).

Since the subject matter is different, you'll probably have to explain something about how your book is different from all the others. E. g. something like -

(Book title) is a counting book with no words. The numbers are composed of airplane parts and the ever-increasing piles of scarves reinforce the counting lesson. There is an image on every page, of a bunny with a top hat on, which a child can search for while looking at the book, either by herself or with a friend or adult.