Scientific Explorer Meteor Rocket Kit Launch your very own Meteor Rock over 100ft. high while learning about rocket science Easy to assemble and powered by carbon dioxide gas that forms from the chemical reaction between baking soda and vinegar Adjust the power of the your chemical reaction for either young flyers or advanced rocket pilots Includes bottles, balsa wood, template, tubing, nose cone, weather stripping, film, silver duralar, fueling module, fin holder, and instructions Recommended for children 9 years of age and older with adult supervision