I have used this in my biology class with freshmen and my kids and it works. We tested different substances as well as crushed leaves and this separates the different pigments quite well.
Density Cubes Metals 20Mm Sides
3 Review
6Pcs Lime2018 Parallel Battery Holder
Optimized for SEO: United Scientific DCSET10 Density Cubes
Fingerprint Identification Kit
Heart Anatomy Poster Laminated Anatomical
π Musculoskeletal Anatomy Chart by Palace Learning
KISSTAKER Removable Heart Visceral Educational Parts
π§ Enhancing Anatomy Learning: Portable & Detachable Enlarged Anatomical Education Aid for Students