Take the balloon out into the hot sun and try not to get this stuck 50' high in a tree! Also, try not to take this out on a windy day so it won't flo...
This instructable will show you how to make a hot air balloon. This balloon will not use any sort of flame to make this, though. Instead, it uses the sun to heat the balloon. I saw this at American Science & Surplus, but it was $17.50 USD, so I wanted something cheaper; I went out and made my own!
Step 1: How it Works
The black color of the trash bags makes the air inside heat up. Everyone knows that hot air rises, thus making the balloon rise.
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