This exciting water-rocket kit contains everything you need to blast a rocket up to 30 meters toward the heavens! That’s as high as 9 stories! More than impressive, we say. This all-inclusive kit means you get everything you need to blast your rocket up to space! Using the pump, the bottle and some really awesome extras your child will be able to learn all about thrust, acceleration and jet propulsion!  The sleek bottle rocket itself features screw on fins to help maintain the correct trajectory, high and low launch valves and a special air-pump specially optimized for Liquifly rocketry.Try experimenting with different water levels, and varying the air pressure to test how thrust is affected. Full instructions are provided in each kit on safety and set up. Includes: Set of fins to keep rocket on course Plastic bottle rocket High launch valve Low launch valve 6m hose Release fittings Pump Ages 8+ | Adult supervision required at launch