Water Rocket 4M Kit

It turns out that rocket science isn't really as difficult as you may think. With the Water Rocket, kids will have fun learning how to build a rocket that is able to fly over thirty feet into the air! Plastic Bottle (Rocket Body) with 4 Fins (One For Spare). Plastic Tubing (Nearly 80 Inches Long). 1 Pump Connector. Detailed Instructions With Fun Facts and More!