Explore the wonders of rocket science with the 4M 4605 Water Rocket Kit, a hands-on STEM project that launches young scientists into the basics of propulsion and aerodynamics. This kit allows kids and teens to transform a simple plastic bottle into a fully functional water rocket, capable of soaring up to 90 feet into the air. Complete with all necessary components and detailed instructions, it's the perfect blend of education and entertainment for aspiring astronauts and engineers. The 4M Water Rocket Kit is not just a toy, but a gateway to understanding the principles of rocketry and space flight, making it an ideal gift for curious minds aged 8 and up. Adult supervision is recommended to ensure a safe and successful launch experience. Please note, a bicycle pump is required for rocket launch but is not included in the kit. The 4M 4605 Water Rocket Kit features: - All-inclusive set with 1 plastic bottle, 4 fins (including a spare), fin support, bung, bung and pump connectors, and an extension plastic pipe. - Engages kids in the science of rocketry and aerodynamics. - Capable of launching rockets up to 90 feet using just water pressure. - Encourages environmental awareness by utilizing recycled bottles in rocket construction. - Detailed instructions for easy assembly and safe launching.