Introduction: How to Make a Paper Rocket Engine
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Step 1: Step 1(prefolding)
get a square piece of paper and fold it corner to corner (2 times)
Then lay it with the point facing upward and fold it in the middle
open it up again
Step 2: Step Two (making the Balloon Shape)
fold the piece of paper following the folds you made
fold the bottom corners up and do this on both sides
fold the corners to the middle line
find the side that has 4 flaps
fold the flaps like on the picture
fold the flaps in half
open the little pockets and put the flaps in to them
Step 3: Step 3 (inflating)
find the side that has a little hole in it
cut of a piece there so the hole becomes bigger
blob in the hole so it inflates like a balloon
fold the sides so it becomes a cube
Step 4: Step 4 Making It Work
use your lighter to fill the the balloon-rocket engine
hold a flame behind the hole and wooosj
!!!!!!!make shure your hand isnt behind the hole so you dont get burned!!!!!!!