Double pole single throw knife switch.
The Perfect 600 comes with plans to build twenty different machines. Stimulate right brain creativity by encouraging your students to design and...
The Mini Plasma Ball is a fun, classic demonstration of electrical discharge in an inert gas. Lightning in the palm of your hand! Standing 6 inches...
Single Pole - Double Throw Knife Switch
Solar Rover Green Science Kit Alternate Energy Vehicle Fun Mechanics Kit. Place your solar rover outdoors on a sunny day and watch it zip along. No...
Make a real robot from your favorite beverage can. Our Green Science Tin Can Robot Kit contains everything you need except your recycled tin can and...
