Learn the basic principle of operation behind an electric bell. Great for science fair projects.
Operates on 3- to 6-V DC battery or 6- to 10-V AC transformer.
The coils and terminals are enclosed under a snap-on metal cover.
Bell is removable for use as a buzzer. Mountable.
This high-powered LED UV flashlight is perfect for lab applications, detection purposes and more!
This classic device is used to demonstrate the conservation of mechanical energy.
Use this temperature-controlled soldering station for a variety of soldering applications!
Create all kinds of marble run combinations with this 80-piece Marble Run set!
Look forward to hours of creative maze-building!
Beautiful 5 inch globe that can be used as a night lamp.