This is a smoke bomb. And we have to use a pencil, a ping pong ball and tin foil.
And scissors, lighter
This also work like a flare.
Step 1: Assembly
First, cut the ping pong ball in pieces like the photo and cut the tin foil to 12cm x 12cm , then, put all pieces in the center of the tin foil after that put the pencil vertically in the center of the tin foil and the ping pong ball pieces, finnaly, squeeze the tin foil like in the photo.
Step 2: Test
now take out the pencil and burn down the tin foil until it will throw smoke.