How to Make a Lego Rocket Launcher

Here are the pieces you need to make a lego rocket launcher. 

Step 1: Step #1

Place the light gray piece in the black piece.

Step 2: Step #2

Put the gray piece on the light gray piece.

Step 3: Step #3

Put the transparent red plate on the gray piece.

Step 4: Step #4

Finally, the conelike piece on the transparent red plate.