The Sims 3 Master Suite Stuff is an add-on for Sims 3. You’ve made your Sim. You’ve built his or her house from the ground up. You’ve got little Sims kids who will burn down the kitchen if left unattended, and who make strange noises when they have to use the bathroom. Now it’s time to turn your home into something stylish. Step up your space with The Sims 3 Master Suite Stuff.