Set of 8 aluminum tuning forks ranging from 256 to 512 Hz in frequency. Use it in physics experiments with sounds or to tune instruments.
Comes in a wooden case with a striking hammer.
A combination of three of our great discovery toys, all in one package!
A perpetual motion model of the galaxy, makes a good desk toy.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Explore the wonders of wind power with this amazing kit!
The Wimshurst Machine is a high quality static machine for student labs.
Watch this laser pointer emit a cool purple beam!