| Zoology: Vertebrate Including Mammalia - 25 slides | $3,209.00MN |
| Foodstuffs and their adulterations - 10 slides*** | $2,755.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides | $689.00MN |
| General Biology - 25 slides | $3,209.00MN |
| Lizards, birds and snakes - 10 slides | $689.00MN |
| Plants Reproduction and Propagation - 10 slides*** | $1,409.00MN |
| Set for Teaching Biology (Part 2) - 10 slides*** | $1,409.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| The Wanderful World of a Drop of Water - 10 slides | $689.00MN |
| Fishes, frogs and amphibians - 10 slides | $704.00MN |
| Animal reproduction - 10 slides | $689.00MN |
| 4.57" ID Orion Full Aperture Solar Filter*** | $2,851.00MN |
| Tropical Plants - 10 slides | $689.00MN |
| 6.58" ID Orion Full Aperture Solar Filter | $4,786.00MN |
| Life in the Ground - 10 slides | $689.00MN |
| Orion SkyGlow Broadband Light-Pollution Filters*** | $1,895.00MN |
| Set for teaching Sciences - 10 slides | $704.00MN |
| Stereo Microscope CRYSTAL 7.5-45x*** | $50,411.00MN |
| Stereoscopic Microscopie DIAMOND 20 & 40x*** | $8,127.00MN |
| Leica DISTO D2 - 100 m alcance - 7 modos de medición*** | $13,536.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $704.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $51,072.00MN |
| 2" Orion Variable Polarizing Eyepiece Filter*** | $1,938.00MN |
| Distanciómetro laser LDM150*** | $11,599.00MN |
| Orion StarShoot G3 Deep Space Monochrome Imaging Camera*** | $13,871.00MN |
| 3.68in. ID Orion Full Aperture Solar Filter*** | $2,361.00MN |
| Krestel 3000 Pocket Weather Meter | $5,139.00MN |
| Orion Prime Focus Camera Adapters | $780.00MN |
| Montura Ecuatorial Goto LX85 - Cap. 15kg*** | $37,841.00MN |
| G11 Mount + GEMINI GO-TO - 60 lb Capacity*** | $111,137.00MN |
| Distanciómetro láser GLM 30 Professional*** | $7,810.00MN |
| Distanciómetro laser LDM60*** | $3,797.00MN |
| Wonder Globe (Celestial ) | $551.00MN |
| PC CUBBY FOR HD-6T*** | $31,320.00MN |
| Electric Shutter (ES-6/ES-10)*** | $46,980.00MN |
| Autonivel a Láser de Puntos GPL 5 Professional*** | $14,981.00MN |
| ASI120MM*** | $6,016.00MN |
| Kestrel 2000 Pocket Weather Meter*** | $3,227.00MN |
| Xplorer 1 | $1,701.00MN |
| 10x & 20x Dual Power Loupe | $312.00MN |
| digital wine thermometer | $500.00MN |
| Mark II: 10x Panoramic Binocular (noncoin operated)*** | $70,635.00MN |
| Microscopio Biológico Profesional*** | $40,405.00MN |
| Rino® 700*** | $9,027.00MN |
| digital thermo-hygrometer*** | $1,145.00MN |
| Higrotermómetro y datalogger con 32000 registros*** | $7,082.00MN |
| Dual 10x & 20x Jewelers Loupe*** | $195.00MN |
| Outdoor Passive Air Sampler*** | $29,132.00MN |
| TS33F-M Wireless remote temperature and humidity sensor | $1,082.00MN |
| MagniLook | $253.00MN |
| Lupa de bolsillo plegable con lente de cristal de 4x 2" | $55.00MN |
| Kestrel 5200 Professional Environmental Meter with LiNK*** | $12,365.00MN |
| Pocket Magnifier | $218.00MN |
| Portable Tripod with Clamp | $1,047.00MN |
| 'Klima Logger' professional thermo-hygrometer with data logger*** | $8,121.00MN |
| MiniBrite 5x | $528.00MN |
| myMET | $3,728.00MN |
| Wireless Vantage Pro2 Plus (Sol.+UV) & 24Hr Fan Aspirated RS*** | $41,203.00MN |
| Kestrel 5400AG Cattle Heat Stress Tracker with LiNK + Vane Mount*** | $22,669.00MN |
| Kestrel 5000 Environmental Meter*** | $8,685.00MN |
| Xplorer 4 | $3,947.00MN |
| Kestrel 1000 Pocket Wind Meter*** | $2,590.00MN |
| GPS eTrex ® 10*** | $3,007.00MN |
| 8" LX200-ACF f/10 UHTC*** | $126,383.00MN |
| DataScout Modem WiFi Solar*** | $25,306.00MN |
| MagniRead*** | $453.00MN |
| WatchDog Frost Alert Visual Frost Alarm*** | $6,653.00MN |
| Lupa de mano con lente de cristal de 5x 2" | $60.00MN |
| Solar Power Package*** | $14,749.00MN |
| Jewelers Loupe 3X | $36.00MN |
| ET Pup Station (900 MHz)*** | $97,493.00MN |
| 15mm Orion Expanse Eyepiece*** | $1,995.00MN |
| Mark II: 10x Panoramic Binocular (noncoin operated) w/o base*** | $130,059.00MN |
| HMP60-L Air Temperature and Relative Humidity Sensor*** | $33,251.00MN |
| Milwaukee CD611 Digital Conductivity Pen (EC)*** | $1,590.00MN |
| 6-Plate Solar Radiation Shield*** | $5,811.00MN |
| Poster Mapa del cielo | $74.00MN |
| AC Adapter, 110VAC*** | $2,393.00MN |
| TB4-L Rain Gage with 8 in. Orifice*** | $41,139.00MN |
| Conductivity Electrode Replacement*** | $10,273.00MN |
| Glass Lens Magnifier 2" 5x | $63.00MN |
| Retreiver @ 900MHz, Solar Powered*** | $63,370.00MN |
| Handheld Temp/RH/CO2 Meter*** | $9,239.00MN |
| DataScout WiFi Modems AC/DC*** | $37,209.00MN |
| Glass Lens Magnifier 2.5" 3x | $62.00MN |
| 255-210 Stillwell with Fixed Point*** | $13,025.00MN |
| Lantastic Compass | $251.00MN |
| Watch compass | $80.00MN |
| Pup Repetidor @900MHz*** | $11,124.00MN |
| WatchDog 1120 Data-Logging Rain Gauge*** | $10,361.00MN |
| Field Scout T-Handle EC Probe (24")*** | $12,296.00MN |
| 2000 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| Protective Case for Series A & 1000*** | $3,236.00MN |
| Glass Lens Magnifier 3" 3x | $98.00MN |
| Par de anillos de 125mm con adaptador tipo Losmandy*** | $2,096.00MN |
| CH150 12V Charging Regulator*** | $13,146.00MN |
| Glow Star | $104.00MN |
| Milwaukee EC40 EC/TDS Nutrient Meter*** | $7,255.00MN |
| Orion HD-F2 Paragon Tripod*** | $5,426.00MN |
| Wall Mount Temp/RH/CO2 Meter*** | $6,632.00MN |
| Magniloupe Headband | $206.00MN |
| 20 Pzs Tarjeta reflectora de 60mmx60mm*** | $2,481.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $3,150.00MN |
| MagRX 2.5x | $137.00MN |
| 2000 ppm NO3- Standard*** | $1,776.00MN |
| LAQUA Twin pH Meter*** | $8,397.00MN |
| 150 ppm Na+ Standard, 6 - 14mL bottles*** | $3,552.00MN |
| Outland X 10x42 Binoculars*** | $8,285.00MN |
| IR Crop Thermometer | $2,216.00MN |
| DHT-1 Portable Hay Moisture Tester 24"*** | $8,303.00MN |
| WaterScout SM 100 Sensor - 6ft(1.8m)*** | $4,569.00MN |
| LCD Digital Microscope II*** | $14,087.00MN |
| Microscopio Plus 100x 300x 600x*** | $877.00MN |
| WatchDog 3250 Wireless ET Station*** | $56,700.00MN |
| Soil Moisture Tester 24 in*** | $7,365.00MN |
| WatchDog 3210 Wireless Temperature Alert*** | $38,618.00MN |
| LAQUA Twin Sodium Meter*** | $12,433.00MN |
| Irrometer Tensiometers 6 in Model R | $2,715.00MN |
| Class A Evaporation Pan*** | $52,696.00MN |
| LANDSCOUT 10X50MM PORRO BINOCULAR*** | $3,409.00MN |
| FieldScout Sensor Reader Case*** | $1,110.00MN |
| WaterScout SM 100 Sensor - 20ft*** | $2,654.00MN |
| Cabled Vantage Pro2™ ISS*** | $24,499.00MN |
| 150 ppm K+ DI Standard*** | $1,776.00MN |
| Watermark Soil Moisture Sensor 11 ft*** | $4,421.00MN |
| Replacement EC Sensor for LAQUA Twin*** | $2,717.00MN |
| Soil Compaction Tester*** | $12,035.00MN |
| WatchDog 3220 Wireless Rain Station*** | $43,784.00MN |
| Milwaukee pH600AQ Digital pH Pen*** | $795.00MN |
| Microscopio para Celular | $272.00MN |
| Medidor de Salinidad SALT, LAQUA TWIN-HORIBA*** | $5,746.00MN |
| CM 1000 Chlorophyll Meter*** | $83,336.00MN |
| Long-Stem Thermometer*** | $1,381.00MN |
| Brujula Krypton de colgar Negro | $120.00MN |
| Herramienta Multi-funcional de llavero Micro Max 19 en 1*** | $1,201.00MN |
| Microscopio 2 en 1 Desmontable | $511.00MN |
| Brass Compass | $251.00MN |
| Wilderness Spotting Scope – 15-45x65mm | $4,131.00MN |
| Caudalímetro portátiles para agua y flujo de aire*** | $27,102.00MN |
| MagniMark | $42.00MN |
| FieldScout TDR 350 Soil Moisture Meter with Case*** | $35,661.00MN |
| Binocular UpClose G2 20×50 | $1,818.00MN |
| Funda para telescopio | $1,737.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| DHT-1 Portable Hay Moisture Tester 32"*** | $8,680.00MN |
| Replacement pH Sensor for LAQUA Twin*** | $2,717.00MN |
| WatchDog Model 1425 Data Logger*** | $7,964.00MN |
| 1 1/2" Diameter Compass with 40" Lanyard | $60.00MN |
| Self Sticking Car Compass | $35.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $13,436.00MN |
| 4-20 mA Input Cable*** | $485.00MN |
| Lensatic Compass | $180.00MN |
| Magnetics Armable | $407.00MN |
| Corn Stove Moisture Tester*** | $8,745.00MN |
| Temperature (Micro) Sensor | $2,131.00MN |
| Altimeter/Barometer*** | $3,219.00MN |
| Microscopio Monocular Biológico 40x,100x y 400x | $4,872.00MN |
| Geologic Compass - A | $2,098.00MN |
| Nivel Láser de Líneas GLL 3-80 G Profesional*** | $48,494.00MN |
| Quantum Light Sensor*** | $8,374.00MN |
| Quantum Light Sensor*** | $7,224.00MN |
| Map Compass with Ruler and Lanyard | $140.00MN |
| Tipping Bucket Rain Collector | $7,639.00MN |
| Watermark Soil Moisture Sensor 20 ft*** | $2,707.00MN |
| The Earth | $372.00MN |
| UV Sensor*** | $8,224.00MN |
| soda cane robug | $271.00MN |
| WatchDog Model 1250 Data Logger*** | $7,502.00MN |
| Herramienta multi-funcional de llavero Xdrive Compact 7 en 1*** | $352.00MN |
| FlexNeck | $317.00MN |
| Glow Solar System Mobile Making Kit*** | $520.00MN |
| Chrome Lighted RimFree | $855.00MN |
| Eyepiece SP 4000 56mm 2'' Meade*** | $2,122.00MN |
| Eyepiece SP 4000 15.0mm 1.25" Meade*** | $953.00MN |
| U53-10 Multi-parameter Water Quality Meter*** | $182,120.00MN |
| AirLink Professional Air Quality Sensor*** | $4,788.00MN |
| Series 5000 Mega Wide Angle Eyepiece 15mm (2") [ME607017]*** | $6,544.00MN |
| Upclose G2 10X50 Porro Binocular*** | $1,733.00MN |
| WindSonic Mounting Pipe Kit*** | $4,488.00MN |
| MagniSheet*** | $288.00MN |
| SLIM LINE WEATHER STATION WITH ATOMIC CLOCK | $1,028.00MN |
| Vibration Isolation Pads #895*** | $1,199.00MN |
| Solar Radiation Sensor*** | $5,011.00MN |
| Solar System Model Planetarium Kit*** | $260.00MN |
| Pocket Multi-Tool 12-in-1*** | $1,031.00MN |
| Wireless Vantage Pro2 Sensor Suite Weather Station*** | $13,920.00MN |
| USB Data Transfer Cable, Kestrel 5 Series*** | $2,104.00MN |
| Orion Dynamo Pro 155Wh AC/DC/USB Lithium Power Supply*** | $9,016.00MN |
| PST - 40mm/400mm LF HA <1.0 A*** | $28,566.00MN |
| Orion Paragon-Plus XHD Extra Heavy-Duty Tripod*** | $9,073.00MN |
| LightScout DLI 100 Light Meter*** | $5,078.00MN |
| Stargazer's Deluxe Filter Set 1.25"*** | $5,291.00MN |
| Xplorer 3 | $3,010.00MN |
| Anillo-T Canon EOS | $602.00MN |
| Orion Atlas EQ-G Computerized GoTo Telescope Mount*** | $72,261.00MN |
| Motor Drive for AstroMaster/PowerSeeker | $2,050.00MN |
| 5MP Digital Imager*** | $9,392.00MN |
| Electric Dome Drive ED-10*** | $23,490.00MN |
| 6 ft.(Short) HOME-DOME (HD-6S)*** | $373,368.00MN |
| Orion Sirius EQ-G GoTo Telescope Mount*** | $51,854.00MN |
| Autoguider Port Module*** | $1,652.00MN |
| WatchDog 100 Series Button Docking Station (USB)*** | $3,532.00MN |
| Orion Awesome Autoguider Refractor Package | $22,185.00MN |
| 1.25in. 2x Orion Shorty Barlow Lens*** | $1,058.00MN |
| Meade Polaris 114mm German Equatorial Reflector | $7,678.00MN |
| LX850 14" ACF w/StarLock*** | $346,255.00MN |
| LX850 10" ACF w/StarLock*** | $280,467.00MN |
| 16" LX200-ACF Telescope with Tripod*** | $508,995.00MN |
| 10" LX200-ACF f/10 UHTC*** | $141,965.00MN |
| Orion DeepMap 600 Folding Star Chart | $513.00MN |
| LX600 14" ACF w/StarLock*** | $268,348.00MN |
| Telescope 10" LX90-ACF*** | $108,205.00MN |
| Distanciómetro láser GLM 80 Professional | $64,091.00MN |
| Inclinómetro digital GIM 60 L Professional*** | $4,762.00MN |
| 12" LX200-ACF f/10 UHTC*** | $182,650.00MN |
| Telescope 12" LX90-ACF*** | $138,502.00MN |
| LX600 16" ACF w/StarLock & XWedge (No Tripod or Pier)*** | $531,502.00MN |
| Láser combinado Bosch GCL 25 Professional*** | $10,126.00MN |
| 14" LX200-ACF f/10 UHTC*** | $238,050.00MN |
| LX600 10" ACF w/StarLock*** | $180,053.00MN |
| ¿Cómo ves? La luz. Historia de las nebulosas | $111.00MN |
| Antología de astronomía ¿Cómo Ves?*** | $497.00MN |
| Los sonidos de nuestro mundo | $146.00MN |
| Atlas cosmico*** | $170.00MN |
| Números y Estrellas Mayas | $226.00MN |