Solid 5mm water white glass beads used most commonly as an inert boiling stone or to pack distillation tubes. Also, can have various uses in science projects and classroom experiments.
Build over 100 exciting electronic projects with this easy to use kit!
Create beautiful art with this amazing sun paper!
Check out this high-quality gyroscope!
Exciting magnet exploration for ages 8 and up!
Comprehensive collection of 30 fossils.
Build a model green house and 9 other green energy-related devices with this great kit!