| CO2 Monitor AIRCO2NTROL COACH*** | $6,015.00MN |
| Higrotermómetro y datalogger con 32000 registros | $2,361.00MN |
| TS33F-M Wireless remote temperature and humidity sensor | $541.00MN |
| Spare pH probe for D-54 Meter*** | $5,190.00MN |
| Conductivity Standard 2.76 mS/cm*** | $1,145.00MN |
| Herramienta Multi-funcional de llavero Micro Max 19 en 1*** | $3,003.00MN |
| Polyurethane Foam Collection Substrates*** | $2,784.00MN |
| Outdoor Passive Air Sampler*** | $29,132.00MN |
| Wilderness Spotting Scope – 15-45x65mm | $4,131.00MN |
| Conductivity Electrode Replacement*** | $10,273.00MN |
| Wonder Globe (Celestial )*** | $2,205.00MN |
| Replacement EC Sensor for LAQUA Twin*** | $2,717.00MN |
| Field Scout T-Handle EC Probe (24")*** | $12,296.00MN |
| LAQUA Twin EC Meter*** | $3,961.00MN |
| Rino® 700*** | $36,106.00MN |
| Replacement EC Probe (8")*** | $6,653.00MN |
| Conductivity Cell (Water)*** | $5,725.00MN |
| 3" Levitating Globe*** | $5,345.00MN |
| GPS MAP 65*** | $36,114.00MN |
| GPS eTrex® SE*** | $11,997.00MN |
| Replogle Globe Traveler Globe Blue | $3,158.00MN |
| GPS Garmin ETrex 22x*** | $20,060.00MN |
| Filtro Solar de 90mm de D.I.*** | $638.00MN |
| *** | $3,435.00MN |
| GPS eTrex ® 10*** | $9,020.00MN |
| Globo Terráqueo Traveler Antiguo | $2,106.00MN |
| Meade Polaris 90mm German Equatorial Refractor | $10,617.00MN |
| Corn Stove Moisture Tester*** | $8,745.00MN |
| CELESTRON KIDS MICROSCOPE WITH SMARTPHONE ADAPTER*** | $6,919.00MN |
| HandHeld™ 2.5/5x | $370.00MN |
| Orion SkyLine Deluxe Laser Pointer-to-Telescope Bracket*** | $2,251.00MN |
| The Franklin World Globe*** | $6,166.00MN |
| Kestrel 5000 Environmental Meter with LiNK*** | $10,956.00MN |
| Orion Binocular Viewer for Telescopes*** | $26,282.00MN |
| GPS eTrex 32x | $7,021.00MN |
| Replogle NASA Moon Globe 12-inch Tabletop | $2,306.00MN |
| Filtro Solar de 150mm de D.I.*** | $1,392.00MN |
| Galino liquid thermometer | $2,414.00MN |
| Conductivity Standard, 1.41 mS/cm, 230mL*** | $642.00MN |
| 5MP Digital Imager*** | $4,696.00MN |
| Fishes, frogs and amphibians - 10 slides | $704.00MN |
| Animal reproduction - 10 slides | $689.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides | $689.00MN |
| Lizards, birds and snakes - 10 slides | $689.00MN |
| General Biology - 25 slides | $1,604.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| Tropical Plants - 10 slides | $689.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $704.00MN |
| Cell reproduction and development - 10 slides*** | $689.00MN |
| Plants Reproduction and Propagation - 10 slides | $704.00MN |
| SPNEC500 and 510 Sensor Replacement*** | $2,214.00MN |
| GPSMAP® 65s*** | $10,031.00MN |
| Self Sticking Car Compass | $209.00MN |
| Set for teaching Sciences - 10 slides | $704.00MN |
| Pocket Multi-Tool 12-in-1*** | $1,031.00MN |
| Temperature (Micro) Sensor*** | $8,524.00MN |
| Silicon Pyranometer Sensor*** | $21,673.00MN |
| 1 1/2" Diameter Compass with 40" Lanyard | $60.00MN |
| COMPRO POCKET TRANSIT COMPASS*** | $19,270.00MN |
| Clisímetro Geosurv | $1,036.00MN |
| UV Sensor*** | $41,122.00MN |
| Military Prismatic Sighting Compass | $1,504.00MN |
| Soil Moisture Transducer - R*** | $22,288.00MN |
| CO2 Monitor*** | $44,758.00MN |
| Kestrel USB Interface*** | $3,346.00MN |
| The Wanderful World of a Drop of Water - 10 slides | $689.00MN |
| WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor*** | $11,030.00MN |
| Set for Teaching Biology (Part 2) - 10 slides | $704.00MN |
| Quantum Light Sensor*** | $33,498.00MN |
| Watch compass | $120.00MN |
| Map Compass with Ruler and Lanyard | $281.00MN |
| Irrigation On/Off Sensor*** | $11,181.00MN |
| Brass Compass In Metal Tin Box*** | $321.00MN |
| WaterScout Calibration Device*** | $6,380.00MN |
| Leaf Wetness Sensor*** | $10,362.00MN |
| Exploracion Lunar*** | $706.00MN |
| External (Soil) Temperature Sensor - 20 ft.*** | $3,600.00MN |
| WatchDog A150 Temp/RH Logger | $3,512.00MN |
| Watermark Soil Moisture Sensor 20 ft*** | $2,707.00MN |
| Lensatic Compass | $361.00MN |
| Barometric Pressure Sensor Std.*** | $10,965.00MN |
| WaterScout SM 100 Sensor - 6ft(1.8m)*** | $4,569.00MN |
| Quantum Light Sensor*** | $7,224.00MN |
| 0-2.5V DC Input Cable*** | $716.00MN |
| 4-20 mA Input Cable*** | $485.00MN |
| Barometric Pressure Sensor Extended Range*** | $21,929.00MN |
| Tipping Bucket Rain Collector*** | $15,277.00MN |
| ezRead™ | $2,591.00MN |
| Envoy8X*** | $4,009.00MN |
| Brújula Brunton GEO 5010*** | $36,797.00MN |
| Maping compass with mirror | $214.00MN |
| Brújula minera*** | $2,496.00MN |
| COMPRO POCKET TRANSIT*** | $9,635.00MN |