Tedco Solar Balloon

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Giant-sized solar science fun! This 50 foot long balloon soars high in the sky powered by the sun. Demonstrates buoyancy, convection, thermodynamics and solar power. Teaches the Be rnoullis Principle and Pascals Principle. Great for science classes and the perfect start to a science project. Bright direct sunlight on a calm, cool day has the Solar Balloon soaring in just minutes. Features:– Made in USA.– Includes one 50 foot long by 29″ diameter Solar Balloon, 400 feet of string, complete instructions and science learning guide.– For ages 14+ This product can expose you to chemicals including BPA (bisphenol A), which is known in the state of California to cause reproductive harm. For more information: www.P65Warnings.ca.gov Show more