| GPS eTrex® SE*** | $3,999.00MN |
| 15mm Orion Expanse Eyepiece*** | $3,989.00MN |
| ASI1600MM Pro (mono)*** | $85,413.00MN |
| Atlas cosmico*** | $509.00MN |
| Microscopio Biológico Profesional*** | $40,405.00MN |
| Replacement Potassium Sensor for LAQUA Twin*** | $5,095.00MN |
| GPS eTrex ® 10*** | $3,007.00MN |
| Model HC Soil Sampler*** | $2,512.00MN |
| Foodstuffs and their adulterations - 10 slides*** | $2,066.00MN |
| Replogle NASA Moon Globe 12-inch Tabletop*** | $4,612.00MN |
| Pup de Estaciones @900MHz*** | $24,748.00MN |
| Soluciones de Calibración de Nitrato 150 ppm*** | $1,776.00MN |
| Wireless Vantage Pro2 Sensor Suite Weather Station*** | $13,920.00MN |
| WeatherLink ® for Vantage Pro2, Windows, Serial Port*** | $5,011.00MN |
| Tropical Plants - 10 slides*** | $1,377.00MN |
| G11 Mount - 60 lb Capacity*** | $214,346.00MN |
| 2" Orion 13% Transmission Moon Filter*** | $1,648.00MN |
| Patological human tissues (Part 2) - 10 slides*** | $2,066.00MN |
| Set for Teaching Biology (Part 2) - 10 slides*** | $1,409.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $153,216.00MN |
| Kestrel 5000 Environmental Meter*** | $17,370.00MN |
| 1.25" Orion Basic Rack-and-Pinion Focuser*** | $2,219.00MN |
| Minolta SPAD 502 Plus Meter*** | $70,126.00MN |
| Leaf Wetness Sensor | $3,454.00MN |
| WeatherLink Console*** | $8,797.00MN |
| Vantage Vue Console*** | $6,125.00MN |
| Vantage Pro2 GroWeather Cabled Sensor Suite with 24-Hour Fan*** | $24,499.00MN |
| Wireless Long-Range Repeater with AC Power*** | $5,047.00MN |
| 150 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| "Academy" Microscope 1000x*** | $20,676.00MN |
| ZWO Atmospheric Dispersion Corrector*** | $12,829.00MN |
| Kestrel 1000 Pocket Wind Meter*** | $10,358.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $704.00MN |
| G11 Mount + GEMINI GO-TO - 60 lb Capacity*** | $111,137.00MN |
| ASI183MM (mono*** | $61,632.00MN |
| Fishes, frogs and amphibians - 10 slides*** | $1,409.00MN |
| Portable Tripod with Clamp*** | $3,140.00MN |
| Orion StarMax 90mm TableTop Maksutov-Cassegrain Telescope*** | $9,905.00MN |
| Pocket Multi-Tool 12-in-1*** | $1,031.00MN |
| Human Body Normal Tissues (Part 1) - 10 slides | $1,377.00MN |
| UV Sensor*** | $9,466.00MN |
| Rino® 700*** | $9,027.00MN |
| 32mm Orion Sirius Plossl Telescope Eyepiece*** | $5,077.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| Wireless Leaf & Soil Moisture/Temperature Station | $7,461.00MN |
| Orion Sirius Plossl Telescope Eyepieces*** | $1,836.00MN |
| Globo Terráqueo Traveler Antiguo | $4,211.00MN |
| FieldScout Soil Sensor Reader*** | $7,592.00MN |
| The Sun*** | $1,117.00MN |
| ASI120MM*** | $30,078.00MN |
| Structure of Vegetables - 10 slides*** | $2,113.00MN |
| ZWO ASI 1600 MONOCHROME COOLED CAMERA W/7-36MM FW AND LRGB/HA/SI*** | $200,144.00MN |
| 3.5mm Orion Stratus Wide-Field Eyepiece*** | $14,254.00MN |
| 3.68in. ID Orion Full Aperture Solar Filter*** | $4,722.00MN |
| pH 7.0 (2) 30 ml each*** | $786.00MN |
| Orion DeepMap 600 Folding Star Chart*** | $1,539.00MN |
| Orion Sirius EQ-G GoTo Telescope Mount*** | $51,854.00MN |
| LAQUA Twin Potassium Meter*** | $12,951.00MN |
| Orion SkyView Pro Equatorial GoTo Telescope Mount*** | $32,940.00MN |
| ZWO Mini Guider Scope*** | $17,701.00MN |
| Orion SkyQuest XT8 Classic Dobsonian Telescope*** | $22,148.00MN |
| Orion Expanse Telescope Eyepieces*** | $1,995.00MN |
| Universal Shelter*** | $3,564.00MN |
| LoggerNet: Datalogger Support Software*** | $60,558.00MN |
| 1.25" Variable Universal Camera adapter*** | $4,127.00MN |
| Penetrometer FT 20*** | $32,734.00MN |
| The Franklin World Globe*** | $10,276.00MN |
| Pup de Sensores @900MHz*** | $13,624.00MN |
| 1.25" Orion Luminance/IR Cutoff Astrophotography Filter*** | $3,029.00MN |
| Orion Expanse Telescope Eyepieces*** | $1,995.00MN |
| Weather Station Mounting Tripod | $2,746.00MN |
| Vantage Pro2 Console/Receiver*** | $7,461.00MN |
| GPS Unit Mounting Bracket*** | $4,030.00MN |
| FieldScout Sensor Reader Case*** | $2,221.00MN |
| Kestrel 5200 Professional Environmental Meter*** | $9,004.00MN |
| USB Data Transfer Cable, Kestrel 5 Series*** | $6,313.00MN |
| LED LIGHTED Full-Page, Paper-Back Book Light | $1,303.00MN |
| Lupa Frontal Multi-Aumento*** | $377.00MN |
| 12in Aztec Globe*** | $4,211.00MN |
| Los sonidos de nuestro mundo | $146.00MN |
| LinenTest™ 11.5x15mm*** | $981.00MN |
| Replogle Globe Traveler Globe Blue | $3,158.00MN |
| LinenTest 5x | $288.00MN |
| MagniLook | $127.00MN |
| Magniloupe Headband | $412.00MN |
| Value Pak | $159.00MN |
| MagniFlash 11x*** | $1,969.00MN |
| FlexNeck | $950.00MN |
| myBlue-T*** | $3,355.00MN |
| Kestrel 5000 Environmental Meter with LiNK*** | $32,868.00MN |
| Números y Estrellas Mayas*** | $905.00MN |
| Penetrometer FT 40*** | $24,551.00MN |
| Off Axis Guider QHYOAG-S | $6,638.00MN |
| U51-10 Multi-parameter Water Quality Meter*** | $114,079.00MN |
| Field Carrying Case With Buffers*** | $3,779.00MN |
| EOS-T2 Adapter suitable for all ASI cameras*** | $7,965.00MN |
| Penetrometer FT 02 | $6,547.00MN |
| Animal reproduction - 10 slides | $1,377.00MN |
| Orion Prime Focus Camera Adapters | $780.00MN |
| HandHeld™ 2.5/5x | $123.00MN |
| 36in Auger Tube Kit*** | $15,419.00MN |
| Kestrel 2000 Pocket Weather Meter*** | $6,454.00MN |
| WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor*** | $5,515.00MN |
| Long-Stem Thermometer*** | $2,762.00MN |
| Irrometer Tensiometer 12 in Model SR | $2,818.00MN |
| Field Scout Quantum and Foot-Candle Meter*** | $9,374.00MN |
| Cámara a color QHY 5III 485C*** | $13,055.00MN |
| 3" Levitating Globe | $2,004.00MN |
| WatchDog Model 2450 Temp/RH Station*** | $19,321.00MN |
| 20 W Solar Panel*** | $41,292.00MN |
| Barometric Pressure Sensor Std.*** | $10,965.00MN |
| LumiLoupe 10x*** | $432.00MN |
| AC Adapter, 110VAC*** | $4,787.00MN |
| Refractometer 0-32% Auto Temp Comp*** | $5,581.00MN |
| WatchDog 4-Watermark Irrigation Station*** | $16,960.00MN |
| Lizards, birds and snakes - 10 slides*** | $2,066.00MN |
| IR Crop Thermometer | $2,216.00MN |
| CR1000X Datalogger para medida y control*** | $217,594.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $1,409.00MN |
| Lenspen optics cleaning tool | $648.00MN |
| Barra tipo Vixen 15"*** | $1,424.00MN |
| Cell reproduction and development - 10 slides*** | $2,755.00MN |
| LumiLoupe 7x Stand Magnifier | $218.00MN |
| The Earth*** | $1,117.00MN |
| CM 1000 Chlorophyll Meter*** | $83,336.00MN |
| Kestrel 5200 Professional Environmental Meter with LiNK*** | $37,094.00MN |
| Handheld Plant Sap Press*** | $549.00MN |
| Pocket Digital Refractometer*** | $24,862.00MN |
| Rain Bucket Bird Guard*** | $675.00MN |
| Alarm Output Module*** | $6,807.00MN |
| WatchDog Frost Alert Visual Frost Alarm*** | $19,958.00MN |
| Stereo Microscope CRYSTAL 7.5-45x*** | $100,823.00MN |
| Life in the Ground - 10 slides*** | $2,066.00MN |
| WatchDog 2000 Series Data Shuttle*** | $8,746.00MN |
| Tipping Bucket Rain Collector | $7,639.00MN |
| ET Gauge | $12,785.00MN |
| Irrometer Tensiometers 36 in Model R*** | $3,231.00MN |
| 4-20 mA Input Cable*** | $1,939.00MN |
| DataScout Modem WiFi Solar*** | $25,306.00MN |
| 298mm ID Orion Telescope Tube Rings*** | $13,338.00MN |
| *** | $1,375.00MN |
| Tip 5/16"*** | $1,142.00MN |
| Conductivity Standard, 1.41 mS/cm, 230mL*** | $642.00MN |
| Combination pH/Temp Electrode for 2120*** | $3,541.00MN |
| Kestrel 5500 Weather Meter with LiNK + Vane Mount*** | $40,637.00MN |
| GPS cable for Field Scout Equipments*** | $2,158.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides*** | $2,755.00MN |
| MagniRead | $113.00MN |
| Field Scout Dual Solar/Electric Quantum Meter*** | $7,474.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $4,725.00MN |
| Meade Polaris 90mm German Equatorial Refractor | $10,617.00MN |
| WatchDog 100 Series Button Docking Station (USB)*** | $10,596.00MN |
| Tip 1/8"*** | $1,142.00MN |
| Par de Adaptador cola de milano tipo Losmandy*** | $1,002.00MN |
| myMET*** | $11,184.00MN |
| WatchDog A-Series PC Cable*** | $1,385.00MN |
| Tip 1/4"*** | $1,142.00MN |
| Field Scout T-Handle EC Probe (24")*** | $12,296.00MN |
| MagniSheet*** | $864.00MN |
| Retreiver @900MHz*** | $15,014.00MN |
| FieldScout GreenIndex Board*** | $1,169.00MN |
| Irrometer Tensiometers 18 in Model R*** | $2,922.00MN |
| Kestrel 5500 Pocket Weather Tracker*** | $22,550.00MN |
| f/6.3 Focal Reducer/Field Flatener*** | $1,945.00MN |
| Conductivity Cell (Water)*** | $5,725.00MN |
| ATC pH Probe (Liquids)*** | $2,497.00MN |
| WatchDog 3-Watermark Irrigation Station*** | $13,914.00MN |
| Soil Test Kit w/ 30 Samples - Sodium*** | $2,491.00MN |
| Anillo-T Canon EOS | $602.00MN |
| Xplorer 4*** | $7,895.00MN |
| Brújula Brunton GEO 5010*** | $36,797.00MN |
| Buzz Wire making Kit | $259.00MN |
| CO2 Monitor AIRCO2NTROL COACH*** | $12,031.00MN |
| Build Your Own Wind Turbine*** | $837.00MN |
| Rain-gauge | $451.00MN |
| WatchDog 100 Series Button Docking Station (serial)*** | $3,532.00MN |
| Higrotermómetro y datalogger con 32000 registros | $4,722.00MN |
| Glow 3D Dinosaur*** | $127.00MN |
| Glow Mini Stars | $115.00MN |
| Glow 3D Solar System | $129.00MN |
| Glow Planets & Super Nova 100 pcs. | $611.00MN |
| bottle catamaran*** | $786.00MN |
| Fun Mechanics Kit- Brush Robot | $428.00MN |
| digital professional thermo-hygrometer | $2,318.00MN |
| garden-combitester | $469.00MN |
| 'Klima Logger' professional thermo-hygrometer with data logger*** | $16,243.00MN |
| Digital maxima-minima thermometer with alarm | $728.00MN |
| Magnet Science | $309.00MN |
| Solar Plane Mobile | $835.00MN |
| Skywatch Geos 11 - Kit Completo*** | $28,377.00MN |
| Green Science- Grow-A-Maze | $309.00MN |
| Propeller Racer | $393.00MN |
| Hourglass | $399.00MN |
| Weather Science*** | $309.00MN |
| Solar Robot*** | $418.00MN |
| Personal Solar Telescope <0.5 A*** | $146,911.00MN |
| Weather Station*** | $309.00MN |
| Solar Rover | $393.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $26,872.00MN |
| 12 V Power Supply with Charging Regulator and 7 Ah Rechargeable *** | $32,699.00MN |
| 255-100 Analog Output Evaporation Gauge*** | $69,221.00MN |
| Neutral-Density Moon Filters, 13% Transmission*** | $752.00MN |
| Flying Science | $336.00MN |
| Enviro battery | $292.00MN |
| 255-620-A Automatic Refill System*** | $13,335.00MN |
| PST - 40mm/400mm LF HA <1.0 A*** | $28,566.00MN |
| Outdoor Passive Air Sampler*** | $29,132.00MN |
| Glow Solar System Mobile Making Kit*** | $260.00MN |
| COMPRO POCKET TRANSIT*** | $19,270.00MN |
| ENC16/18 Weather-Resistant Enclosure, 16 x 18 inches*** | $31,655.00MN |
| Xplorer 1 | $1,701.00MN |
| COMPRO POCKET TRANSIT COMPASS*** | $9,635.00MN |
| thermometer for compost | $708.00MN |
| 38mm Orion Q70 Wide-Field Telescope Eyepiece*** | $12,279.00MN |
| Mid Range Wireless - Base Station*** | $11,330.00MN |
| QHY5L-II M | $6,369.00MN |
| pH 4 Standard - 250mL*** | $749.00MN |
| Omni Antenna for Long Range Repeater*** | $5,568.00MN |
| 1.25in. 2x Orion Shorty Barlow Lens*** | $2,116.00MN |
| 6-Plate Solar Radiation Shield*** | $5,811.00MN |
| LAQUA Twin Sodium Meter*** | $12,433.00MN |
| Model J Soil Sampler*** | $14,211.00MN |
| Inclinómetro digital GIM 60 L Professional*** | $4,762.00MN |
| Set for teaching Sciences - 10 slides | $704.00MN |
| Orion Awesome Autoguider Refractor Package | $22,185.00MN |
| Wireless Repeater with Solar Power*** | $16,704.00MN |
| Orion Atlas EQ-G Computerized GoTo Telescope Mount*** | $72,261.00MN |
| Krestel 3000 Pocket Weather Meter*** | $15,418.00MN |
| Stereoscopic Microscopie DIAMOND 20 & 40x*** | $24,380.00MN |
| Replacement pH Sensor for LAQUA Twin*** | $2,717.00MN |
| Quantum Light Sensor*** | $8,374.00MN |
| Orion HD-F2 Paragon Tripod*** | $5,426.00MN |
| 1.25" Orion Variable Polarizing Filter*** | $2,138.00MN |
| 4.57" ID Orion Full Aperture Solar Filter*** | $5,702.00MN |
| Orion SpaceProbe 130ST Equatorial Reflector Telescope*** | $12,434.00MN |
| ShortTube 80-A Refractor Telescope*** | $3,507.00MN |
| The Wanderful World of a Drop of Water - 10 slides*** | $2,066.00MN |
| Caudalímetro portátiles para agua y flujo de aire*** | $27,102.00MN |
| 2000 ppm NO3- Standard*** | $1,776.00MN |
| Distanciómetro láser GLM 80 Professional | $64,091.00MN |
| WeatherLink ® for Vantage Pro2, Windows, USB*** | $5,011.00MN |
| Orion SkyQuest XT6 Classic Dobsonian Telescope*** | $17,004.00MN |
| Model LS Soil Sampler*** | $9,442.00MN |
| Herramienta multi-funcional de llavero Xdrive Compact 7 en 1*** | $352.00MN |
| 140mm ID Orion Telescope Tube Rings | $1,611.00MN |
| Model 115-Rain Logger*** | $3,956.00MN |
| MagRX 2.5x | $412.00MN |
| LightScout DLI 100 Light Meter*** | $5,078.00MN |
| Láser combinado Bosch GCL 25 Professional*** | $10,126.00MN |
| 1.25" Orion Universal Camera Adapter | $1,190.00MN |
| General Biology - 25 slides | $1,604.00MN |
| Mid Range Wireless - Transmitter*** | $10,734.00MN |
| Distanciómetro láser GLM 50 C Professional*** | $5,051.00MN |
| GPS Garmin ETrex 22x | $5,015.00MN |
| Replacement Sodium Sensor for LAQUA Twin*** | $5,095.00MN |
| Protective Case for Series A & 1000*** | $3,236.00MN |
| Wireless Vantage Pro2 with Weatherlink Console*** | $22,161.00MN |
| 2" Orion Variable Polarizing Eyepiece Filter*** | $3,875.00MN |
| Minolta SPAD 502DL Plus Meter*** | $83,638.00MN |
| LCD Digital Microscope II*** | $14,087.00MN |
| Nivel Láser de Líneas GLL 3-80 G Profesional*** | $16,165.00MN |
| 1.25" Orion Oxygen-III Nebula Eyepiece Filter*** | $3,185.00MN |
| 3.0mm Orion Edge-On Planetary Eyepiece*** | $8,630.00MN |
| 20mm Orion Expanse Eyepiece*** | $3,991.00MN |
| Wireless Long-Range Repeater with Solar Power*** | $10,579.00MN |
| AstroView 102mm Equatorial Refractor Telescope*** | $16,992.00MN |
| Protective Case for Series 1000*** | $1,108.00MN |
| Herramienta Multi-funcional de llavero Micro Max 19 en 1*** | $601.00MN |
| Campus Microscope Photo Adapter | $968.00MN |
| Zoology: Invertebrate and Insects - 25 slides | $3,209.00MN |
| Replacement Calcium Sensor for LAQUA Twin*** | $5,095.00MN |
| Wireless Vantage Pro2 Plus (Sol.+UV) & 24Hr Fan Aspirated RS*** | $41,203.00MN |
| ShortTube 80-A Refractor Telescope*** | $7,801.00MN |
| pH 7 Standard - 250mL*** | $749.00MN |
| Wireless Vantage Vue*** | $15,479.00MN |
| USB-to-3.5mm-Stereo-Plug Adapter | $3,015.00MN |
| Orion Paragon-Plus XHD Extra Heavy-Duty Tripod*** | $9,073.00MN |
| ASI071MC Pro (color)*** | $98,710.00MN |
| Kestrel USB Interface | $1,673.00MN |
| Orion ED80T CF Triplet Apochromatic Refractor Telescope*** | $35,406.00MN |
| GPSMAP® 65s*** | $10,031.00MN |
| Tube Balance Weight System #1401 for all 8" SCT's*** | $4,977.00MN |
| Wireless Vantage Pro2 Plus (Solar & UV)*** | $35,078.00MN |
| 11lb Counterweight for Atlas & Sirius Mounts*** | $2,858.00MN |
| Mini Multi-Tool 8-in-1*** | $821.00MN |
| Krestel 3500 Pocket Weather Meter*** | $19,363.00MN |
| GPS MAP 65*** | $9,028.00MN |
| Autonivel a Láser de Puntos GPL 5 Professional*** | $7,491.00MN |
| Weatherlink Live*** | $7,461.00MN |
| Patological human tissues (Part 1) - 10 slides*** | $1,377.00MN |
| Digitarium Portable Dome 6m*** | $286,827.00MN |
| Zoology: Vertebrate Including Mammalia - 25 slides | $1,604.00MN |
| Montura Ecuatorial Goto LX85 - Cap. 15kg*** | $37,841.00MN |
| Eyepiece SP 4000 12.4mm 1.25" Meade*** | $866.00MN |
| Orion SkyQuest XT10 Classic Dobsonian Telescope*** | $31,713.00MN |
| Wireless Repeater with AC Power*** | $4,454.00MN |
| Wonder Globe (Celestial ) | $551.00MN |
| Orion StarShoot AutoGuider*** | $19,767.00MN |
| Distanciómetro láser GLM 30 Professional*** | $1,953.00MN |
| GPS eTrex 32x | $7,021.00MN |
| Wireless Vantage Pro2™ Sensor Suite Weather Station with 24-Hr F*** | $20,045.00MN |
| MicroBrite Plus™ - 60-120x Pocket Microscope*** | $433.00MN |
| MS-0100 Carson Microscope 1000x*** | $7,882.00MN |
| WindSonic Mounting Pipe Kit*** | $4,488.00MN |
| LONG RANGE REMOTE TEMPERATURE AND HUMIDITY SENSOR | $625.00MN |
| WatchDog 3210 Wireless Temperature Alert*** | $77,236.00MN |
| ezRead™ | $1,295.00MN |
| 8.2 Dbi Yagi Antenna*** | $3,229.00MN |
| MiniBrite 5x | $264.00MN |
| QHY CCD PoleMaster*** | $10,051.00MN |
| OcuLens™ 5x & 8x | $218.00MN |
| Pocket Magnifier | $436.00MN |
| Penetrometer FT 10 | $8,184.00MN |
| MagniRule | $275.00MN |
| Watermark Adapter for FieldScout Soil Sensor Reader*** | $1,124.00MN |
| MS-0160 Carson Microscope 1600x*** | $27,984.00MN |
| LumiVisor™ - LV-10*** | $1,900.00MN |
| MagniView -2x/4.5x 90mm | $331.00MN |
| 2000 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| MagniFlex Lamp Magnifier 2x/3.5x | $1,186.00MN |
| Chrome Lighted RimFree | $855.00MN |
| Penetrometer FT 30*** | $8,184.00MN |
| Diagonal Prism 1.25" #918A*** | $895.00MN |
| Rectangle Rim Free 2x | $837.00MN |
| MagniFly™ 2x/3.5x | $1,938.00MN |
| Series 5000 Mega Wide Angle Eyepiece 21mm (2")*** | $7,326.00MN |
| Cámara Color ASI294MC Pro*** | $28,816.00MN |
| MagniMark | $42.00MN |
| eFlex™ - 75x / 300x Digital Microscope with Flexible Neck*** | $1,961.00MN |
| ZWO EFWmini (5 x 1.25″or 5 x 31mm)*** | $5,760.00MN |
| FreeHand 2.5x | $355.00MN |