My daughter loves any type of blocks/legos right now. We’ve been working on stacking and counting 1-3 or more and she’s finally gotten the hang of it and can do independently. She also loves wooden puzzles and books. Also large paintbrushes and dips it in water and “paints” things around her room lol
There is a group on Facebook all about sensory play that we follow. Edible play dough, regular play dough, painting, crayons, chalk, blocks, legos, water table, edible sand.
I'd stick with large sensory setups like corks from wine bottles, large pastas, and household items. We try to choose toys that allow us to emphasize speech. Basically anything where we can practice relational words like in/out, over/under, big/little. The Lovevery boxes are amazing for it and always a big hit. Tiny Land on Amazon makes similar toys. We do ziploc bags sealed with things like apple sauce, water and oil with food coloring, etc. You can do little art projects too like set up tape on a paper in a shape and have them place little shredded pieces of tissue paper on it (with supervision of course). Squigz and a ball pit have gotten a lot of use lately. Standing activity tables are great too. We do music and bubbles everyday too!
Mega blocks are great, we have the mini target shopping cart and he loves to push it around and play with the fake food so I bought more fake food that has Velcro and you can “cut” the fruits and veggies with the plastic knife they came with. He loves taking them apart and putting them in his cart . We recently went to a birthday party that had a mini fake kitchen and he LOVED it so I’ll be getting him one. We do flash cards and he has a learning corner i set up in his room with posters of numbers, letters, colors, planets, and farm animals he likes to point to. And of course we play ball alllllll day
So this might sound dumb. But I just started speech therapy with my son and one thing that always keeps him entertained is something the therapist recommended. Basically you take a paper Towel roll and colored popsicle sticks and you let the baby drop the sticks in the hole of the paper Towel roll over and over all while getting excited when they do so. You can also say "In!" Every time they drop a stick in. Another thing is water play with floating (cut) apples in a bowl. Watch the babies for this so they don't tip over the bowl. Also, blending up cheerios to make fake sand is usually a winner. You can also make it with flour, coco powder, and oil. For me cheerios are easier.