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: