This high-quality red laser module emits a line laser, has an adjustable focus lens, and operates on 3 to 6V DC. Great for DIY science and optics projects.
This simple but amusing magnetic toy will keep you busy for hours!
Build over 100 exciting electronic projects with this easy to use kit!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
This classic device is used to demonstrate the conservation of mechanical energy.
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Learn how solar cells transform light into electrical energy with this great kit!