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.
Comprehensive collection of 30 fossils.
This magic bird defies gravity before your very eyes!
This mirascope creates a 3D hologram image!
See the solar system in action!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Use this cool Sea Monkeys zooquarium to teach your child how to take care of a pet!
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