This fully assembled Arduino shield can drive relays, solenoids, DC and stepper motors.
Learn about hydrogen fuel cells with this incredible kit!
Watch this laser pointer emit a cool purple beam!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
A beautiful desk toy for your favorite person’s office!!
This genuine meteorite is great for the rock collector in your family!
The large realistic model has removable organs that can be studied and set back into the correct position.