Filtration is one of the most common techniques used in laboratory experiments to purify samples before analysis. This high quality paper is recommended for student use for all routine filtering activities. Medium rentention and flow-rate makes it perfect for chemistry, biology, and general science experiments. Each pack contains 100 filter papers, and each sheet is a square measuring 4 inches by 4 inches; 6 micron paper.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
A combination of three of our great discovery toys, all in one package!
Build your own windmill generator kit by recycling a plastic bottle!
Learn about hydrogen fuel cells with this incredible kit!
A beautiful desk toy for your favorite person’s office!!