This long metal coil spring is ideal for visually demonstrating wave properties, such as frequency, wavelength, and interference, in the classroom. Can be used in a variety of experiments, and provides a hands-on teaching tool that students always seem to enjoy. Extends to thirty feet in length, measures about 6.5" fully coiled. Also makes a great gift for anyone who was or is a fan of the smaller toy version we all know from our childhoods.
The Wimshurst Machine is a high quality static machine for student labs.
Check out this high-quality gyroscope!
Watch what your music can create with this amazing Snap Circuits set!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
This mirascope creates a 3D hologram image!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!