This sleek and small digital pocket scale is affordable and perfect for use in either the lab or classroom, or for small cooking measurements at home.
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
The Hoberman Sphere expands and contracts with a magical motion so fluid and simple that kids can't help but play with it for hours.
Every kid needs one of these spheres!
Build your own 10 inch kaleidoscope with this great kit!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The large realistic model has removable organs that can be studied and set back into the correct position.