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.
Find the hidden crystals when you open your own geodes from this fun set.
Working model representing the sun, earth, and moon and their relationships.
This glass Erlenmeyer mug makes an excellent gift!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Use this kit to introduce electromagnetic principles in the classroom setting!
Learn all about the science of light, optics and visual perception with this wonderful kit!