I am usually just a lurker, but I had to join to respond to this thread. Hope that's okay.
Definitely!!! My husband does 99% of the cooking at our house, so my girls associate cooking more with boys anyway.
I have three girls, but I would definitely buy a kitchen for a boy.
My 3 year old daughter was given the chance to decorate her new room and she chose CARS, and not Sally either. She likes Lightning and Mater. We have probably watched the movie 100 times. My mom wanted to know why we didn't do princesses or something more girly, I told her it was her room and she wanted CARS, so that's what she got.
My 9 year old loves pirates, but she also loves sparkly lip gloss and clothing.
The 3 year old is getting a kitchen set for Christmas too.
By the way, we have a
Lego table, train table, and workbench, as well as dress-up boxes, barbies, and baby dolls.
Kids just like to play and use their imagination, they don't care about "boy" or "girl" toys. It's all about fun.