The 4M Water Rocket Kit uses the power of water pressure to blast its rocket up to 90 feet in the airThe kit contains all the parts required to transform a recycled soda bottle into a functioning water rocketThis kit is ideal for young science enthusiasts, especially those interested in rocketry and space flightDetailed instructions for use and care are included; Adult supervision recommendedThis kit requires the use of a bicycle pump (not included)Challenge your child's imagination with 4M toys and kits4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more