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.
This ultimate chemistry set features 250 mind-boggling experiments!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
The Wimshurst Machine is a high quality static machine for student labs.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
Make the coolest 3D pin art on your desk with this amazing desk toy.
A beautiful desk or bookshelf accessory for the reading fanatic in your family!