A solid object with two identical ends and flat sides.
The shape of the ends give the prism a name, such as the Triangular Prism shown here.
There are also Square Prisms, Pentagonal Prisms and more.
• The cross section is the same all along its length
• The sides are parallelograms (4-sided shape with opposites sides parallel)
• It is also a polyhedron
Play with a triangular prism here: