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.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This simple but amusing magnetic toy will keep you busy for hours!
This kit focuses on teaching children about electricity and how electronic devices work!
Perform awesome experiments using everyday materials found in any kitchen!
Build a magnetic levitating train with this science fair project kit!
This is a great clean heat demonstration model for the classroom setting!