These semicircular plastic cells are perfect for observing the refractive properties of different liquids such as water, oil, alcohol, or other transparent liquids. The refraction cups are made of a clear, durable plastic.
Diameter: 4-3/4" (120mm), Depth: 1-3/16" (30mm), Thickness: 1/16" (1.5mm)
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
Comprehensive collection of 30 fossils.
This project book and sample kit introduces you to shape-memory alloy technology!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Learn all about the science of light, optics and visual perception with this wonderful kit!
Create beautiful art with this amazing sun paper!