A must for explorations of sound and waves.
- Sold as a set of two
- Approx length: 20" (500mm) and 30" (750mm)
- Comes with a Teacher's Guide with detailed instructions and a bag of crushed rosin to lightly coat your fingertips
These rods are an easy way to demonstrate longitudinal waves as opposed to transverse waves. They're ideal for teaching about nodes and anti-nodes in standing waves.