| CONVENTIONAL POCKET TRANSIT*** | $40,937.00MN |
| 1.25" Orion Oxygen-III Nebula Eyepiece Filter*** | $3,235.00MN |
| 32mm Orion Sirius Plossl Telescope Eyepiece*** | $1,719.00MN |
| 4.57" ID Orion Full Aperture Solar Filter*** | $2,895.00MN |
| 150 ppm Na+ Standard, 6 - 14mL bottles*** | $1,804.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $1,804.00MN |
| 298mm ID Orion Telescope Tube Rings*** | $6,773.00MN |
| 2" Orion Variable Polarizing Eyepiece Filter*** | $1,968.00MN |
| Watch compass | $41.00MN |
| Replacement Calcium Sensor for LAQUA Twin*** | $10,349.00MN |
| 1.25" Orion Basic Rack-and-Pinion Focuser*** | $2,254.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $3,199.00MN |
| 2" Orion 13% Transmission Moon Filter*** | $837.00MN |
| Brujula Krypton de colgar Negro | $122.00MN |
| 3.68in. ID Orion Full Aperture Solar Filter*** | $2,398.00MN |
| Lantastic Compass | $255.00MN |
| 20mm Orion Expanse Eyepiece*** | $4,053.00MN |
| Maping compass with mirror | $653.00MN |
| Self Sticking Car Compass | $35.00MN |
| 1.25" Variable Universal Camera adapter*** | $2,096.00MN |
| Clisímetro Geosurv | $2,104.00MN |
| 11lb Counterweight for Atlas & Sirius Mounts*** | $2,903.00MN |
| Geologic Compass - A*** | $6,393.00MN |
| LAQUA Twin Nitrate Meter*** | $25,255.00MN |
| 150 ppm K+ DI Standard*** | $1,804.00MN |
| 1.25" Orion Luminance/IR Cutoff Astrophotography Filter*** | $1,538.00MN |
| Map Compass with Ruler and Lanyard | $285.00MN |
| 3.5mm Orion Stratus Wide-Field Eyepiece*** | $14,477.00MN |
| Brújula Brunton GEO 5010*** | $37,372.00MN |
| 1.25in. 2x Orion Shorty Barlow Lens*** | $1,075.00MN |
| 2000 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,804.00MN |
| LAQUA Twin Sodium Meter*** | $12,628.00MN |
| Handheld Plant Sap Press*** | $1,114.00MN |
| Brújula minera*** | $7,605.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $27,291.00MN |
| Medidor de Salinidad SALT, LAQUA TWIN-HORIBA*** | $5,836.00MN |
| Altimeter/Barometer*** | $6,538.00MN |
| Milwaukee pH600AQ Digital pH Pen*** | $1,615.00MN |
| Milwaukee CD611 Digital Conductivity Pen (EC)*** | $1,615.00MN |
| 3.0mm Orion Edge-On Planetary Eyepiece*** | $13,147.00MN |
| COMPRO POCKET TRANSIT*** | $19,571.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides*** | $2,098.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $715.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $51,870.00MN |
| Human Body Normal Tissues (Part 1) - 10 slides | $1,399.00MN |
| General Biology - 25 slides | $3,259.00MN |
| Plants Reproduction and Propagation - 10 slides | $715.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $1,431.00MN |
| Lizards, birds and snakes - 10 slides*** | $1,399.00MN |
| Foodstuffs and their adulterations - 10 slides | $699.00MN |
| "Academy" Microscope 1000x*** | $10,500.00MN |
| Set for Teaching Biology (Part 2) - 10 slides*** | $2,146.00MN |
| Stereo Microscope CRYSTAL 7.5-45x*** | $25,600.00MN |
| Fishes, frogs and amphibians - 10 slides | $715.00MN |
| Patological human tissues (Part 1) - 10 slides | $699.00MN |
| Atlas cosmico*** | $172.00MN |
| ¿Cómo ves? La luz. Historia de las nebulosas | $113.00MN |
| Antología de astronomía ¿Cómo Ves?*** | $253.00MN |
| Microscopio para Celular | $276.00MN |
| Wilderness Spotting Scope – 15-45x65mm | $4,196.00MN |
| Juego de Química Mi alegría Equipo 3 | $1,625.00MN |
| Weather Station Mounting Tripod | $2,789.00MN |
| Upclose G2 10-30x50 Zoom Porro Binocular*** | $2,460.00MN |
| Zoology: Invertebrate and Insects - 25 slides | $1,629.00MN |
| Microscopio Monocular Biológico 40x,100x y 400x | $4,948.00MN |
| Milwaukee CD601 Digital Conductivity Pen (EC)*** | $807.00MN |
| LAQUA Twin pH Meter*** | $4,264.00MN |
| LAQUA Twin EC Meter*** | $4,023.00MN |
| LAQUA Twin Potassium Meter*** | $13,154.00MN |
| WatchDog Frost Alert Visual Frost Alarm*** | $6,757.00MN |
| LAQUA Twin Calcium Meter*** | $14,373.00MN |
| Soil Test Kit w/ 30 Samples - Sodium*** | $2,530.00MN |
| Replacement Nitrate Sensor for LAQUA Twin*** | $5,174.00MN |
| Horiba Laqua Case for Meters | $3,222.00MN |
| UltraBlock Narrowband Light-Pollution Filters*** | $3,142.00MN |
| ShortTube 80-A Refractor Telescope*** | $15,845.00MN |
| Wonder Globe (Celestial )*** | $1,120.00MN |
| Schmidt Cassegrain Base for Orion Finder Scopes | $645.00MN |
| Orion StarMax 90mm TableTop Maksutov-Cassegrain Telescope*** | $10,060.00MN |
| 12in Aztec Globe | $2,138.00MN |
| Tube Rings, 140mm ID*** | $1,304.00MN |
| Replogle Globe Traveler Globe Blue | $1,069.00MN |
| Stargazer's Deluxe Filter Set 1.25"*** | $5,374.00MN |
| ShortTube 80-A Refractor Telescope*** | $3,562.00MN |
| Globo Terráqueo Traveler Antiguo | $2,138.00MN |
| WatchDog Model 2425 Plant Growth Station*** | $16,474.00MN |
| WatchDog Model 2400 External Sensor Station*** | $17,920.00MN |
| CELESTRON KIDS MICROSCOPE WITH SMARTPHONE ADAPTER*** | $1,757.00MN |
| Poster Mapa del cielo | $150.00MN |
| Glow Moon & Star | $193.00MN |
| Moon Poster | $112.00MN |
| Portable Laser Leaf Area Meter*** | $208,036.00MN |
| Military Prismatic Sighting Compass | $509.00MN |
| Lensatic Compass | $183.00MN |
| Brass Compass In Metal Tin Box*** | $651.00MN |
| Brass Compass | $509.00MN |
| 1 1/2" Diameter Compass with 40" Lanyard | $61.00MN |
| Orion SkyView Pro Equatorial GoTo Telescope Mount*** | $33,455.00MN |
| 6.3mm Orion E-Series Telescope Eyepiece | $995.00MN |
| Conductivity Electrode Replacement*** | $10,433.00MN |
| 38mm Orion Q70 Wide-Field Telescope Eyepiece*** | $4,157.00MN |
| Spare pH probe for D-54 Meter*** | $5,272.00MN |
| Orion Expanse Telescope Eyepieces*** | $2,027.00MN |
| 15mm Orion Expanse Eyepiece*** | $2,026.00MN |
| Tropical Plants - 10 slides | $699.00MN |
| Patological human tissues (Part 2) - 10 slides*** | $699.00MN |
| Replogle NASA Moon Globe 12-inch Tabletop | $2,342.00MN |
| 3" Levitating Globe | $679.00MN |