Safety and durabilityThe water rocket launcher has a durable overall design.Excellent safety and durability.It can push an ordinary 2-liter soda bottle up to 100 feet in the air. Easy to useJust follow the instructions in the instructions and you can assemble your water rocket. Then launch it to more than 100 feet. Manufacturered by Genovega. DIY your water rocketIn addition to using a 2 liter plastic bottle. You can also look for other plastic bottles to make rockets. Come and try all kinds of rockets. Very interesting toy Take Stomp Rocket to the park or on vacation and youll be amazed at how many children and adults want to play! Kit Includes It contains a rocket tail a 2 liter plastic bottle (rocket body) and a bicycle pump.