How do you rotate your toys? What is assigned when, what kinds of toys do you have, what about different toys for different ages, etc.
Playmobil- This is a classic and while they tend to be expensive I think they are worth the price. They appeal to a wide range of ages (here they are played with by all of my kids ages 2-12, and my baby likes the ones geared to toddlers!) and interests. Grandparents tend to enjoy adding to these sets. ;)
Kitchen/baby dolls- My girls love these things and the appeal is obvious; they get to do what mommy does! My boys have enjoyed these at times as well. Adding some playdough in with the play dishes can add some extra fun and add a new dimention to the play.
Weapons- This one CAN be controversial, but I don't think it should be. Our boys are young men. It is ingrained in them to want to go out and conquer the world. Practicing hunting, battles and protecting the girls are great ways for them to be playing now. Our girls enjoy this play as well, and we encourage them in it.... Why? Well the short answer is that it is a blessing to be able to protect and provide for your family no matter your gender. We also want them to be comfortable with the idea of guns. We do teach gun safety and expect them to follow gun safety rules with their toys.