This is a standard stereo jack that can be mounted on a chassis for your next hobby electronics project. Measures 3.5mm.
Investigate the most important phenomena in biology, chemistry, and physics by conducting more than 100 fun experiments!
Use this temperature-controlled soldering station for a variety of soldering applications!
Build over 60 projects with this deluxe version of the Snap Rover kit!
This great rock tumbling kit comes with everything you need to polish stones and gems!
This microscope is so versatile you can even take it with you on a job site!
Learn all about the science of light, optics and visual perception with this wonderful kit!