Throw this one straight into the air, and with the right speed, you'll see it slowly spin.
Paper Airplane Folding Instructions
1. Fold the top right corner to the left side.
2. Open the sheet back up and repeat the same step with the left corner.
3. Open the sheet back up and accordion fold both sides in so it looks like this.
4. Next, fold the top peak down.
5. Fold both little flaps in, as shown.
6. Now, tuck the little flaps into the previously folded top peak.
7. Fold the plane in half.
8. Fold out both wings.
9. Finally, fold out the wing flaps in opposite directions.