There are several different real-life instances or examples of the cuboid or the right rectangular prism around us. Some of these examples include Buildings, Books, Boxes, Blackboards, Bricks, Containers, Doors, Mobiles, Laptops, Notebook PCs, and Cabinets, amongst others. These are some of the excellent real-life instances or examples of the rectangular prisms that exist around us and can help students in gaining a better understanding of the concept that they are studying.