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.
Learn how solar cells transform light into electrical energy with this great kit!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
High-quality green laser pointer projects a green dot up to an incredible 2 miles away.
The cards show the name of the element, the atomic number, group, natural state and common usages!
Build over 100 exciting electronic projects with this easy to use kit!
Build a robot that's an artist too!