There are some ideas that you can use to find matching inspiration for your boy’s room decorations. The ideas include: pirates, dinosaurs, knights and castles, cowboy kids, and transportation vehicle. The first idea is pirates. On this idea you use all your imagination associated with a pirate’s story. Pirates on the idea you could use symbols such as ship masts, portholes, play secret hideaways, blue ocean themes, treasure boxes, and netting. Kids Room.