Surveillance Tools

Surveillance Tools

Crafty DetectivesCrafty Detectives has all kinds of directions for making detective tools. In it you can learn to to make a hidden camera, a trick wallet, an undercover book, alarms and a lot more.
The marble telescope and the periscope are both devices to help you conduct secret surveillance. With a periscope you can see around corners or over walls or fences. With the marble telescope you can see through a keyhole. Really.

Give them a try:



Print This Post Print This Post

Leave a Reply

Your email address will not be published.

thirteen − 3 =