Here are some of my favorites.
Play Kitchen by Educo
Dump Truck by Plan Toys
Tool Bench by Melissa and Doug
High Chair by Stokke
Musical Instruments by Plan Toys
Interchangeable Cars by Automoblox
Ride-on Cow by Prince Lion Heart
*As the years have gone on, we have definitely acquired some plastic toys along the way, but the wooden ones are certainly my favorite!