This is a pet bottle rocket making kit. It comes with an air pump, allowing you to launch the rocket using the power of air. This is a used item (used a few times). There are no noticeable scratches or stains, and it is generally in good condition. All accessories are included. *Pet bottles are not included. *This is a craft kit. Recommended for science projects, summer vacation crafts, and science experiments. Please note that the box may have some minor scuffs due to home storage. Please purchase only if you understand this.