They are cheap and plentiful, but glass uniformity varies greatly from bead to bead. It's hard to find one (especially at higher magnifications) that doesn't distort the image too much. That being said, if you're willing to take the time to find a good bead, that's pretty cool!
AmScope PS100B Microscope Biological Education
3 Review
π¬ Exploring the Microscopic World: AMSCOPE KIDS Prepared Microscope Specimens Unveils Endless Wonders
9 Review
π¬ Biological Education DIY Science Microscope Specimens
3 Review
π¬ Celestron 44412 Prepared Microscope: Comprehensive 100 Piece Set for Optimal Microscopic Exploration
3 Review
π©Ί Anatomical Laminated Respiratory Circulatory Pack: Enhancing Understanding and Visualization for Medical Professionals
3 Review
KISSTAKER Removable Heart Visceral Educational Parts
3 Review
π§ Enhancing Anatomy Learning: Portable & Detachable Enlarged Anatomical Education Aid for Students
3 Review
𦴠Explore the Intricacies of Human Skeleton with the Movable Skeleton Anatomy Model
3 Review