This is a standard DC power jack that can be mounted on a chassis for your next hobby electronics project. Measures 2.1mm.
Watch what your music can create with this amazing Snap Circuits set!
Perform awesome experiments using everyday materials found in any kitchen!
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
Explore the wonders of wind power with this amazing kit!
Make the coolest 3D pin art on your desk with this amazing desk toy.
This microscope is so versatile you can even take it with you on a job site!