It's the safest chemical reaction that a six-year may encounter:
Baking soda + vinegar + upside-down-plastic-soda-bottle/rocket = flight
Here's Charlie's first attempt at space travel...
Our fuel:

In goes the vinegar...

In goes the baking soda...

The countdown begins... 10, 9, 8...

7, 6, 5...

4, 3, 2, 1... Blast off!!!

Kind of...

Whoops...

Baking soda + vinegar + upside-down-plastic-soda-bottle/rocket = flight
Here's Charlie's first attempt at space travel...
Our fuel:
In goes the vinegar...
In goes the baking soda...
The countdown begins... 10, 9, 8...
7, 6, 5...
4, 3, 2, 1... Blast off!!!
Kind of...
Whoops...
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