A few months ago, our oldest son asked to switch rooms with our youngest,  and also chose to have an outer space-themed big kid room. Our safari-themed nursery had been well used by three our babies, and it has come time to make it into a second big boy room. When Camden was born, the older brothers shared the first big boy room, which was car-themed. Camden, at almost 2 years, was having FOMO sleeping alone and Chase, at almost 5 years, was ready to be alone again. So we did a roommate switch. This DIY transformation took a few months with gradual changes, but it’s finally done! Here is…