Simple posters, in blue colour way, with a rhyme describing magic 'e' and, the alternative term used in some schools, bossy 'e'. Clearly laid out with examples for each vowel. Available in a choice of fonts.
English is an expansive language, anyone who has seen the size of an unabridged English dictionary can tell you that. It's also a language that's ever changing and evolving, so of course there are some words that fall out of favor and are hardly ever used, but maybe it's time to bring some of them back!
I use this project when I start my multiplication unit to teach repeated addition, groups of, commutative property, and arrays. You could also replace one with a multiplication word problem and picture.