Which sentence does not contain any punctuation errors?

A.

For this experiment you will need; a magnet, a piece of paper, and a steel washer.

B.

For this experiment you will need: a magnet, a piece of paper, and a steel washer.

C.

For this experiment you will need a magnet, a piece of paper, and a steel washer.

D.

For this experiment you will need, a magnet, a piece of paper, and a steel washer.