4 x 3" Rectangular Plane Glass Mirror, 10-Pack engine models Extreme 300x enlargement resolves fine

Extreme 300x enlargement resolves fine structures including capillary beds and nerve endings in a detailed skin cross section for histology and dermatology teaching

the smallest in the bar-magnet series

Used to render a permanent magnet's field lines visible without iron filings

High-grade zinc rod with brass terminal for repeatable circuit connections

4 x 3" Rectangular Plane Glass Mirror, 10-Pack engine models Extreme 300x enlargement resolves fineDesigned for full image reflection demos, ten 4 by 3 inch plane glass mirrors at ~2. 5mm thickness give room for multi ray tracing and wider optical setups in introductory optics.