| 4-20 mA Input Cable*** | $492.00MN |
| Conductivity Standard 2.76 mS/cm*** | $1,163.00MN |
| Altimeter/Barometer*** | $6,538.00MN |
| Mark I: 20x Panoramic Telescope (coin operated)*** | $138,883.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $13,646.00MN |
| Barometric Pressure Sensor Extended Range*** | $22,272.00MN |
| CM 1000 Chlorophyll Meter*** | $169,277.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $3,199.00MN |
| Lantastic Compass | $255.00MN |
| Conductivity Electrode Replacement*** | $20,866.00MN |
| Mark III: 10x Panoramic Binocular (coin operated)*** | $141,523.00MN |
| Brujula Krypton de colgar Negro | $61.00MN |
| ET Gauge | $12,985.00MN |
| 2000 ppm Ca2+ Standard, 6 - 14mL bottles*** | $3,608.00MN |
| Meade Polaris 90mm German Equatorial Refractor | $10,783.00MN |
| Maping compass with mirror | $218.00MN |
| garden-combitester | $477.00MN |
| Mark II: 10x Panoramic Binocular (noncoin operated) w/o base*** | $66,045.00MN |
| Map Compass with Ruler and Lanyard | $143.00MN |
| digital wine thermometer | $508.00MN |
| Juego de Química Mi alegría Equipo 3 | $1,625.00MN |
| Human Body Normal Tissues (Part 1) - 10 slides | $699.00MN |
| Portable Tripod with Clamp*** | $1,063.00MN |
| *** | $3,488.00MN |
| Model J Soil Sampler*** | $4,811.00MN |
| Kestrel 5200 Professional Environmental Meter*** | $18,289.00MN |
| Leica DISTO D1 - Alcance de 40 m - Fácil de usar*** | $5,108.00MN |
| General Biology - 25 slides | $1,630.00MN |
| LANDSCOUT 10X50MM PORRO BINOCULAR*** | $1,731.00MN |
| "Academy" Microscope 1000x*** | $10,500.00MN |
| 255-100 Analog Output Evaporation Gauge*** | $70,303.00MN |
| Kestrel 5500 Pocket Weather Tracker | $11,451.00MN |
| Kestrel 5200 Professional Environmental Meter with LiNK*** | $25,116.00MN |
| Handheld Temp/RH/CO2 Meter*** | $9,383.00MN |
| Microscopio infantil 1200x*** | $1,840.00MN |
| Solar Power Package (WD)*** | $7,739.00MN |
| Pup de Sensores @900MHz*** | $13,837.00MN |
| Cell reproduction and development - 10 slides*** | $699.00MN |
| Microscopio Monocular Biológico 40x,100x y 400x | $9,896.00MN |
| Kestrel 5500 Weather Meter with LiNK + Vane Mount*** | $13,757.00MN |
| Filtro Solar de 170mm de D.I.*** | $1,532.00MN |
| Distanciómetro láser GLM 50 C Professional*** | $5,130.00MN |
| 034B-L Wind Set*** | $70,926.00MN |
| pH 7.0 (2) 30 ml each*** | $399.00MN |
| The Sun | $378.00MN |
| Vantage Pro2 GroWeather Cabled Sensor Suite with 24-Hour Fan*** | $24,882.00MN |
| Milwaukee CD611 Digital Conductivity Pen (EC)*** | $807.00MN |
| Funda para telescopio | $1,764.00MN |
| Irrometer Tensiometers 6 in Model R | $2,757.00MN |
| Kestrel 1000 Pocket Wind Meter*** | $2,630.00MN |
| ENC16/18 Weather-Resistant Enclosure, 16 x 18 inches*** | $32,150.00MN |
| Minolta SPAD 502DL Plus Meter*** | $87,690.00MN |
| Model 115-Rain Logger*** | $4,018.00MN |
| Set for teaching Sciences - 10 slides | $715.00MN |
| Cabled Vantage Pro2™ ISS*** | $12,441.00MN |
| Horiba Laqua Case for Meters | $3,222.00MN |
| MS-0160 Carson Microscope 1600x*** | $14,211.00MN |
| Leica DISTO D2 - 100 m alcance - 7 modos de medición | $4,583.00MN |
| FieldScout TDR 350 Soil Moisture Meter with Case*** | $36,218.00MN |
| Solar Power Package*** | $7,490.00MN |
| Microscopio Plus 100x 300x 600x*** | $891.00MN |
| Kestrel 2000 Pocket Weather Meter*** | $3,277.00MN |
| MS-0100 Carson Microscope 1000x*** | $8,005.00MN |
| Filtro Solar de 70mm de D.I.*** | $589.00MN |
| Montura Ecuatorial Goto LX85 - Cap. 15kg*** | $38,432.00MN |
| Leica TRI 100 Tripod | $3,157.00MN |
| Filtro Solar de 125mm de D.I.*** | $943.00MN |
| IR Crop Temp/External Soil Temp Meter*** | $3,165.00MN |
| TDR 150 Soil Moisture Meter with Case*** | $22,885.00MN |
| GPS eTrex® SE*** | $4,062.00MN |
| Kestrel USB Interface | $1,699.00MN |
| Activation Fee*** | $1,018.00MN |
| Barometric Pressure Sensor Std.*** | $11,136.00MN |
| HMP60-L Air Temperature and Relative Humidity Sensor*** | $33,770.00MN |
| Tropical Plants - 10 slides | $699.00MN |
| Handheld Plant Sap Press*** | $557.00MN |
| Milwaukee pH600AQ Digital pH Pen*** | $807.00MN |
| Conductivity Standard, 1.41 mS/cm, 230mL*** | $652.00MN |
| Class A Evaporation Pan*** | $53,520.00MN |
| Rino® 700*** | $9,168.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $715.00MN |
| Set for Teaching Biology (Part 2) - 10 slides | $715.00MN |
| Kestrel 5000 Environmental Meter with LiNK*** | $11,127.00MN |
| Kestrel 5400AG Cattle Heat Stress Tracker with LiNK + Vane Mount*** | $23,023.00MN |
| Pup de Estaciones @900MHz*** | $12,567.00MN |
| Inhabitants of Polluted Waters - 10 slides*** | $715.00MN |
| Kestrel 5000 Environmental Meter*** | $8,821.00MN |
| Milwaukee EC40 EC/TDS Nutrient Meter*** | $3,684.00MN |
| Quantum Light Sensor*** | $8,505.00MN |
| Filtro Solar de 90mm de D.I.*** | $648.00MN |
| 255-620-A Automatic Refill System*** | $13,543.00MN |
| The Wanderful World of a Drop of Water - 10 slides | $699.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $51,870.00MN |
| Wireless Vantage Pro2 Sensor Suite Weather Station*** | $14,138.00MN |
| Penetrometer FT 20*** | $8,311.00MN |
| 38mm Orion Q70 Wide-Field Telescope Eyepiece*** | $4,157.00MN |
| Adaptador básico para smartphone 1.25" | $744.00MN |
| 2" Enhanced Dielectric Diagonal with SC Adapter*** | $5,325.00MN |
| Tip 5/16"*** | $580.00MN |
| Penetrometer FT 10 | $16,623.00MN |
| ShortTube 80-A Refractor Telescope*** | $7,923.00MN |
| Eyepiece Zoom 4000 8mm-24mm (1.25") Meade*** | $2,381.00MN |
| Eyepiece SP 4000 15.0mm 1.25" Meade*** | $968.00MN |
| Geologic Compass - A | $2,131.00MN |
| #546 AC Adapter for ETX70 and DS2000 | $863.00MN |
| FlexNeck | $322.00MN |
| Eyepiece Holder (1.25")*** | $1,314.00MN |
| Adaptador AC for ETX-PE, LXD, LX90, LX200 (up to 14"), LX400,*** | $1,846.00MN |
| Indoor/Outdoor Thermometer With Clock | $576.00MN |
| Orion SkyView Pro Equatorial GoTo Telescope Mount*** | $33,455.00MN |
| AudioStar Hand Controller*** | $7,049.00MN |
| LX600 14" ACF w/StarLock*** | $272,541.00MN |
| Tip 1/4"*** | $580.00MN |
| Wireless Vantage Pro2 Plus (Solar & UV)*** | $35,627.00MN |
| Meade Polaris 114mm German Equatorial Reflector | $7,798.00MN |
| Barlow Lens 2x #126 Short Focus | $1,177.00MN |
| 14" LX200-ACF f/10 UHTC*** | $241,770.00MN |
| Autonivel a Láser de Puntos GPL 5 Professional*** | $7,608.00MN |
| Números y Estrellas Mayas | $230.00MN |
| 298mm ID Orion Telescope Tube Rings | $3,386.00MN |