3m Overhead
 | 3M Overhead Projector Closed Head 2500 Lumens Enxlamp 3yr Warraty Other products from 3M $189.99 |
| Optical illusions: For overhead projection (Mathematics packet) Other products from | |
| EVD /36V/ 400W bulb for 9550 9700 9800 3M OVERHEAD PROJECTORS AND MANY OTHER - APPOLO, BUHL, Boxlight, Audiscan, Copal Other products from Eiko | |
 | R66020/343 Full Overhead Latex Skull Mask Other products from 911Costume.com $24.98 |
 | 3M 07513 Other products from 3M |
 | 3M Model 1711 Overhead Projector Other products from 3M $165.99 |
| 3M M1780 OVERHEAD PROJ 2500 LUMENS CLOSED DOUBLET Other products from 3M | |
 | 3M 9100 Overhead Projector Other products from 3M $289.99 |
 | 3M Model 1730 Overhead Projector Other products from 3M $175.99 |
 | 3M 1880 Portable Overhead Projector with Closed Doublet Lens Other products from 3M $361.99 |