1. Connect part 4 to part 2, making sure the pushpins click into the position.
2. Connect part 5 into part 1 by slotting them together
3. Squeeze the fat end of part 3 down into the skinny end of the part 1
4. Attach the wide end of the part 2 onto the small end of the part 3
5. Unscrew and extend the part 2 so that the height indicator displays your ceiling height