1. Hello, we are going to talk about a periscope.

2. Periscope!

3. The light bounces off of the mirrors. This is called reflection.

4. You will need:
Card board, Hot glue, An adult, Two mirrors, Scissors.
Now you are ready to start building.

5. Now you make your own periscope
First you cut 4 rectangles and 2 small squares.
Now you glue two rectangles together and then do same 1 time more on
other side. Now you glue the mirrors inside the box. Then glue 2

6. Now your periscope is ready.
The End!