These 1/4 inch thick glass plates are ideal for testing the hardness or softness of minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity of residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
Learn all about the science of light, optics and visual perception with this wonderful kit!
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Build over 100 exciting electronic projects with this easy to use kit!
Get this great introductory chemistry kit for your favorite young scientist!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.