Lot of 12 Unotron Model M30/M20 Washable Optical Mouse

300mm Fresnel Lens - Suitable for Solar Heating/Optical Experiments

PMMA 11.8in Fresnel Lens Large Acrylic Optical Lens for Solar Magnifier DIY Use

11.8in Diameter PMMA Fresnel Lens Large Plastic Optical Lens DIY Solar Projects

2.4GHz Bluetooth Wireless Optical Mouse USB Rechargeable RGB Office PC Laptop

Big Dick Energy Novelty Desk Sign

2 Disk - HP 92280T - HP OPTICAL 1.3 GB Rewritable MO Disk 1024 bps (NEW SEALED)