Simple Periscope
1. Use the triangular card template to draw diagonal lines in the box.
2. Cut two slots along the lines. The slots should be just wide enough to fit in the mirror.
3. Repeat step 1 and 2 on the opposite side of the box.
4. Carefully insert the mirror into the slot. It should be tight enough to hold the mirror in position.
5. Repeat step 4 with the other slot and mirror. Make sure that the shiny side of mirror face each other.
6. Draw a large square on top end of the box, facing the shiny side of the mirror. Carefully cut it out.
7. Make a small hole at the bottom end of the box, facing the shinning side of the mirror.
8. Your Periscope is ready, look into the hole at the periscope to see around corners or over a wall.
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