"Five-Minute DIY Spy Periscope Materials You'll Need Two small mirrors (square or rectangular) Cardboard tube (such as from a paper towel roll) Scissors Tape Decorative materials (optional) Step-by-Step Tutorial: 1. Prepare Mirrors: Place one mirror inside the cardboard tube at a 45-degree angle, resting against the side of the tube. 2. Attach Second Mirror: Place the second mirror inside the cardboard tube at the opposite end, also at a 45-degree angle, facing the first mirror. 3. Secure Mirrors: Use tape to secure the mirrors in place inside the cardboard tube, ensuring they remain at the correct angles. 4. Decorate (Optional): Use decorative materials such as paint, markers, or stickers to customize the spy periscope. 5. Use: Hold one end of the spy periscope up to your eye and look through the other end to see around corners or over obstacles. Pro Tip:

Experiment with different sizes of mirrors and lengths of cardboard tube to create custom spy periscopes for different purposes. 5. Use: Hold one end of the spy periscope up to your eye and look through the other end to see around corners or over obstacles."