Three-dimensional shapes can be solid or hollow. They have width, height and length. Click on a shape to view its properties. Cuboid A cuboid has six rectangular faces like a cereal box. It is also called a rectangular prism. Sphere A sphere is a perfectly round three-dimensional shape like a ball. It has only one curved face. Cylinder A cylinder has circular ends of equal size. Cylinder-shaped objects include tins of fruit, rolls of toilet paper and even some coins. Cube A cube is a square box shape. It has six faces. Every face is a square. All these squares are the same size. A cube has eight vertices (corners). Tetrahedron A tetrahedron is a four-sided three-dimensional shape. It has four triangular faces. Each face is an equilateral triangle. It is a pyramid with a triangular base. Cone A cone has a flat circular base. Its sides are curved. Its top is pointed and is sometimes called the apex. Triangular Prism A triangular prism has two ends that are exactly the same size and shape and they are parallel to each other. The ends of a triangular prism are triangular. It is shaped like a triangle all the way through its length. It has six vertices and five flat sides. Square-Based Pyramid A square-based pyramid has a square for its base and triangular faces which meet at one vertex.