Blast off into the heavens with the 4M Water Rocket Kit. The 4M Water Rocket Kit uses the power of water pressure to blast its rocket up to 90 feet in the air. The kit contains all the parts required to transform a recycled soda bottle into a functioning water rocket. This kit is ideal for young science enthusiasts, especially those interested in rocketry and space flight. Detailed instructions for use and care are included. Adult supervision recommended. This kit requires the use of a bicycle pump (not included).