Genesis 6:14

Make thee an ark of gopher wood; rooms shalt thou make in the ark, and shalt pitch it within and without with pitch.

1. God instructed Noah to build an ark, and gave him the specifications.
2. The ark was constructed of gopher wood.
3. The ark had rooms.
4. The exterior and interior walls of the ark were covered with pitch.
5. God knows how to build an ark.