4M Water Rocket

Build your own rocket using just a bottle, water and a pump. Watch the rocket soar as high as 90 feet into the air as you pump air into it! Powered by water and air pressure. Construct and then see how your rocket flies as you pump gas into it. Science in action. The 4M Water Rocket Kit is perfect for the budding mechanic or the science enthusiast. Everything is included that you need to construct your very own water rocket while learning about the technology. Detailed instructions for use and care are included. This kit requires the use of a bicycle pump (not included).