My kids had a learning laptop that taught them counting, colors, shapes. It was Barney themed which was a bonus for them. I liked the Leapfrog toys they had also. They played with them a lot. They had a bus that taught the alphabet, a magnetic fridge game that taught about farm animals, a doll that taught about feelings.
Keep in mind that everything kids do at this age teaches them some skill and gets them to think. So don't discount toys that aren't electronic or don't seem educational. You might consider puzzles, books, blocks - you can find them in a variety of themes to suit what you would like to concentrate on or that match your child's interests (such as favorite characters). Candyland Castle is a game that was a hit with my kids. It is a good for teaching colors, shapes, matching, taking turns. Maybe consider "crafts" that let them be creative. I like playdoh and Crayola Color Wonders products as they are fun and not messy. You can "teach" shapes, sizes, how things feel, colors, sorting, actions, etc. Hope this helps.