A Periscope kit. The top sections raises and lowers to up to 19 inches full length. Includes folding handles for that real submarine movie look. Quality birch plywood construction, with simple fasteners allowing easy assembly in about 30 minutes. The Periscope is a fun and educational kit that teaches some basic physics and optics, and some great maker skills.
No glue or odd tools are needed. All you need is one Phillips head screwdriver. It contains 2 safe mirrors. There is no glass to break and no sharp edges.