How can you make simple electric rocket?

1. Get a paper towel/toilet paper roll.

2. Make some sort of guidance system... like a straw taped to it, or 3 paper fins on the sides.

3. Put (mint only) Mentos is the paper towel/toilet paper roll and tape a piece of paper to the bottom.

4. Put the rocket in a large cup full of Diet Coke/ Regular Coke.

5. Congratulations! You just made yourself a homemade rocket!

6. Stand back and watch it fly!