Melissa and Doug items are fun and educational.
There are also some board games that teach social skills like taking turns and winning or losing, that don't require reading, like Candyland.
Matching games and simple puzzles come in a variety of levels and are great for memory and visual development.
If she likes writing, then how about an easel, dry erase board and markers, chalks, just for scribbling whenever she feels like it, plus lots of paper, crayons, markers. Clay gives a fabulous sensory and visual experience. Water and sand play add a sensory dimension and can be used for concepts like gravity, texture, properties of different substances. Plus skills like cleaning up and helping out.
Cuisinaire rods are great both as manipulatives for straightforward math teaching and exploration of concepts and as building materials. An abacus can be a very nice adjunct to any kind of shopping toy or activity where items need to be counted, added or subtracted, or grouped.
Pattern-making and identification using large beads and laces, or blocks that can be built, balanced and arranged, lend themselves to all kinds of visual (colour, shape, size) and mathematical exploration.
I think Roald Dahl might be a bit advanced for your DD, but there are plenty of stories in between board books and that level that might appeal. Off the top of my head, the books of Arnold Lobel, particularly the Owl stories and Mouse Tales books, are a good introduction to everyday vocabulary, with amusing and not too long stories about idiosyncratic characters. The Beatrix Potter stories (most of them, some have iffy themes, imo) have a lot of appeal. In general, books up to about 32 pages are designed for the average under 7 yo, and might appeal to your DD. My DCs loved the very charming Boo and Baa books of Olof and Lena Landstrom from an early age, and found them easy to tackle as early reading practice. Here are a few more ideas including Dr. Seuss.