Other creative toys/products that come to mind would be, say, Play-Doh as a sort of children's intro to…Clay, I suppose? But in this vein without being exclusively directed towards children (albeit I imagine many may be).
Always enjoyed a creative kind of toy to mess around with.
Kapla!
Not my creation, just a random image I found :)
It’s mostly meant for my children, but I really enjoy building stuff with it when we’re playing together. It’s basically just wooden planks, but they’re very well proportioned and weighted. My favorite creation was a giant building balancing on only two planks.
Play this with your kids while teaching them Klingon