| Life in the Ground - 10 slides | $689.00MN |
| Cell reproduction and development - 10 slides*** | $689.00MN |
| Patological human tissues (Part 1) - 10 slides | $689.00MN |
| Animal reproduction - 10 slides | $689.00MN |
| Set for teaching Sciences - 10 slides | $704.00MN |
| 2" ACCESSORY ADAPTER FOR MEADE ACF AND SCT MODELS*** | $2,968.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides | $689.00MN |
| Zoology: Invertebrate and Insects - 25 slides | $1,604.00MN |
| Fishes, frogs and amphibians - 10 slides | $704.00MN |
| Structure of Vegetables - 10 slides | $704.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $704.00MN |
| Foodstuffs and their adulterations - 10 slides | $689.00MN |
| Tropical Plants - 10 slides | $689.00MN |
| Stereoscopic Microscopie DIAMOND 20 & 40x*** | $8,127.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| General Biology - 25 slides | $1,604.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $51,072.00MN |
| Replacement Calcium Sensor for LAQUA Twin*** | $10,189.00MN |
| Model J Soil Sampler*** | $4,737.00MN |
| Field Scout External Light Sensor Meter*** | $26,173.00MN |
| Quantum Light Sensor*** | $39,897.00MN |
| Horiba Laqua Case for Meters*** | $9,517.00MN |
| ET Pup Station (900 MHz)*** | $97,493.00MN |
| Outland X 10x42 Binoculars*** | $4,143.00MN |
| LAQUA Twin EC Meter*** | $7,921.00MN |
| FieldScout GreenIndex Board*** | $1,169.00MN |
| Software to activate Datalogger CM 1000*** | $5,939.00MN |
| 6 ft.(Short) HOME-DOME (HD-6S)*** | $373,368.00MN |
| Milwaukee EC40 EC/TDS Nutrient Meter*** | $7,255.00MN |
| Orion StarShoot G3 Deep Space Monochrome Imaging Camera*** | $27,743.00MN |
| Glow 3D Solar System | $129.00MN |
| QHY5L-II M*** | $12,738.00MN |
| Black 9x50 Orion Achromatic Finder Scope*** | $2,267.00MN |
| External (Soil) Temperature Sensor - 6 ft.*** | $2,538.00MN |
| LAQUA Twin Sodium Meter*** | $12,433.00MN |
| Field Scout Foot-Candle Meter*** | $7,474.00MN |
| Handheld Plant Sap Press*** | $1,097.00MN |
| SkyMaster 18-40x80mm Zoom Porro Binoculars*** | $15,947.00MN |
| Orion Awesome Autoguider Refractor Package*** | $44,371.00MN |
| Soil Compaction Tester*** | $24,070.00MN |
| ZWO Mini Guider Scope*** | $3,540.00MN |
| Field Scout UV Meter*** | $15,651.00MN |
| EOS-T2 Adapter suitable for all ASI cameras*** | $1,991.00MN |
| Upclose G2 10-30x50 Zoom Porro Binocular*** | $7,267.00MN |
| TravelView™ - 10x25*** | $794.00MN |
| FieldScout Sensor Reader Case*** | $1,110.00MN |
| LightScout DLI 100 Light Meter*** | $5,078.00MN |
| WatchDog Sprayer Station Console*** | $61,110.00MN |
| 150 ppm K+ DI Standard*** | $3,552.00MN |
| LAQUA Twin pH Meter*** | $4,198.00MN |
| WatchDog 100-Temp 8K*** | $3,553.00MN |
| Replacement EC Sensor for LAQUA Twin*** | $2,717.00MN |
| Pocket Digital Refractometer*** | $12,431.00MN |
| Filtro Solar de 125mm de D.I.*** | $928.00MN |
| Soil K+ Kit w/30 Samples*** | $1,402.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,575.00MN |
| Cámara a color QHY 5III 485C*** | $13,055.00MN |
| GPS Garmin ETrex 22x | $5,015.00MN |
| Field Scout Dual Solar/Electric Quantum Meter*** | $7,474.00MN |
| Soil Moisture Transducer - R*** | $7,429.00MN |
| Orion Large Binocular Tripod L-Adapter*** | $1,364.00MN |
| Rings 125mm*** | $1,700.00MN |
| DataScout Modem WiFi Solar*** | $25,306.00MN |
| WatchDog Sprayer Station w/Console*** | $117,393.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| Pup de Estaciones @900MHz*** | $12,374.00MN |
| Quantum Light Sensor*** | $8,374.00MN |
| GPS eTrex 32x | $7,021.00MN |
| Glow Moon & Star | $190.00MN |
| 36in Auger Tube Kit*** | $15,419.00MN |
| Flow Probe (3.7 to 6 ft handle)*** | $75,617.00MN |
| 3.5mm Orion Stratus Wide-Field Eyepiece | $4,751.00MN |
| Barra tipo Vixen 15"*** | $712.00MN |
| Field Scout SC-900*** | $51,146.00MN |
| Montura Ecuatorial Goto LX85 - Cap. 15kg*** | $37,841.00MN |
| Rings 125mm | $1,693.00MN |
| 15cm Plasma light*** | $2,858.00MN |
| Lava Lamp | $797.00MN |
| 12cm Plasma light*** | $616.00MN |
| Off Axis Guider QHYOAG-S | $6,638.00MN |
| Orion Prime Focus Camera Adapters | $780.00MN |
| *** | $1,375.00MN |
| 1.25" Orion Basic Rack-and-Pinion Focuser | $1,110.00MN |
| Par de anillos de 125mm con adaptador tipo Losmandy*** | $2,096.00MN |
| Meade X-Wedge*** | $18,144.00MN |
| Tube Rings, 116mm ID*** | $2,567.00MN |
| G11 Mount - 60 lb Capacity*** | $71,449.00MN |
| 1.25" Orion Luminance/IR Cutoff Astrophotography Filter*** | $3,029.00MN |
| Glitter Lamp | $266.00MN |
| Field Scout Quantum and Foot-Candle Meter*** | $9,374.00MN |
| ZWO Atmospheric Dispersion Corrector*** | $4,276.00MN |
| UV Sensor*** | $8,224.00MN |
| ASI120MM*** | $6,016.00MN |
| Orion Paragon-Plus XHD Extra Heavy-Duty Tripod*** | $9,073.00MN |
| 38mm Orion Q70 Wide-Field Telescope Eyepiece*** | $4,093.00MN |
| Tube Rings, 140mm ID*** | $1,284.00MN |
| WatchDog Model 2475 Plant Growth Station*** | $23,734.00MN |
| COMPRO POCKET TRANSIT*** | $9,635.00MN |
| Orion Atlas EQ-G Computerized GoTo Telescope Mount*** | $72,261.00MN |
| Temperature (Micro) Sensor | $2,131.00MN |
| WaterScout Calibration Device*** | $4,254.00MN |
| Orion Paragon-Plus Binocular Mount and Tripod*** | $10,424.00MN |
| G11 Mount + GEMINI GO-TO - 60 lb Capacity*** | $111,137.00MN |
| Par de Adaptador cola de milano tipo Losmandy*** | $1,002.00MN |
| 15mm Orion Expanse Eyepiece*** | $1,995.00MN |
| Self Sticking Car Compass | $35.00MN |
| dovetail plate for Vixen-style mounts | $475.00MN |
| 1.25" Variable Universal Camera adapter*** | $4,127.00MN |
| Flow Probe (5.5 to 15 handle)*** | $40,400.00MN |
| Retreiver @ 900MHz, Solar Powered*** | $21,123.00MN |
| AC Adapter, 110VAC*** | $1,197.00MN |
| Leaf Wetness Sensor | $3,454.00MN |
| Rino® 700*** | $9,027.00MN |
| Refractometer 0-32% Auto Temp Comp*** | $5,581.00MN |
| Rain Bucket Bird Guard*** | $675.00MN |
| COMPRO POCKET TRANSIT COMPASS*** | $19,270.00MN |
| Irrometer Tensiometers 30cm (12 inch) Model R*** | $2,818.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $13,436.00MN |
| Números y Estrellas Mayas | $226.00MN |