He made a model of a dodecahedron.

He is attending school to obtain a motorcycle license.

Many radishes are growing in my garden.

This is a model of a great icosahemidodecahedron.

World War II lasted from 1939 to 1945.

This is the second time he's been late. Well, they say what happens twice will happen three times.

This regular dodecahedron is a geometric shape with perfect symmetry.

This solid is called a regular icosahedron, and it is made up of 20 equilateral triangles.

The 24-cell is one of the geometric shapes in four dimensions.

The 120-cell is one of the regular polytopes in four dimensions.