Build your own double-protected money safe by connecting a buzz alarm circuit and a simple dial lock. Children will be able to see the inner workings of a safe and learn why it’s important to be wise in practicing financial security. Great spy gift for the young aspiring detective or secret agent.
This is a deluxe soldering station that can handle any kind of application!
This 1mW, 532nm Super Safe Green Laser Pointer is for education, government or other settings where safety is a concern.
Easily assemble a working alarm motion detector!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Check out this high-quality gyroscope!
Experience this sphere powered by the sun!