The kit includes all the parts necessary to build two (2) green rockets and a launching system. Just supply recycled soda bottles and a few magazine pages. Detailed assembly instructions included. Manufacturered by 4M. Perfect for children with an interest in the rocketry or green science. Recommended for ages 8 years and up. The Green Rocket uses recycled materials and air pressure to launch homemade rockets up to 80 feet in the air. Challenge your child's imagination with 4M toys and kits. 4M educational toys cover a wide range of educational subjects and include science kits arts and crafts kits robotics kits and more. 4M offers a wide range of toys and kits to let you build a clock crochet a placemat or turn your room into a planetarium--all in the name of making learning fun. Add a recycled magazine and two plastic bottles to this kit and blast a paper rocket up to 80' high This green science kit is enviromentally friendly