A package of six spare gold leaves for use with an electroscope. The leaves utilized in electroscopes are extremely fragile; this pack will ensure that a ripped leaf can be rapidly replaced. Essential for labs or classrooms.
Create currents and discover gravity while exploring the theory of Lenz's Law with this kit!
Use this temperature-controlled soldering station for a variety of soldering applications!
A perpetual motion model of the galaxy, makes a good desk toy.
Learn about hydrogen fuel cells with this incredible kit!
Build a model green house and 9 other green energy-related devices with this great kit!
Use this laser pointer for any professional presentation!