Enjoy hours of fun and learning with the 4M Pump Rocket Science‎.‎ Inspire young scientists and builders with this air‎-powered vehicle kit‎.‎ Build a micro rocket that shoots up to 20 feet in the air‎,‎ a glider that soars through the sky‎,‎ and a racer that speeds along the ground‎.‎ Kit includes plastic bellows‎,‎ base‎,‎ exhaust‎,‎ pipe‎,‎ racer base with front and rear wheels‎,‎ foam finned rockets‎,‎ and stickers‎.‎ All of the parts are made of safe‎,‎ high quality materials‎.‎ This set is recommended for ages 10 years and up‎.‎