| Solar Radiation Sensor*** | $5,090.00MN |
| UV Sensor*** | $9,614.00MN |
| Soil Moisture Sensor, Vantage Pro and Vantage Pro2 | $1,923.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $3,608.00MN |
| Replacement Calcium Sensor for LAQUA Twin*** | $5,174.00MN |
| Hourglass | $405.00MN |
| Milwaukee CD611 Digital Conductivity Pen (EC)*** | $807.00MN |
| 150 ppm K+ DI Standard*** | $3,608.00MN |
| Stainless Steel Temperature Probe with RJ Connector*** | $1,697.00MN |
| Milwaukee EC40 EC/TDS Nutrient Meter*** | $3,684.00MN |
| Wireless Weather Envoy | $5,316.00MN |
| Wonder Globe (Celestial )*** | $1,120.00MN |
| Kestrel USB Interface | $1,699.00MN |
| Yagi Antenna Cable - 20ft*** | $2,488.00MN |
| The Franklin World Globe*** | $2,087.00MN |
| CELESTRON KIDS MICROSCOPE WITH SMARTPHONE ADAPTER*** | $1,757.00MN |
| Quantum Light Sensor*** | $8,505.00MN |
| Watermark Adapter for FieldScout Soil Sensor Reader*** | $1,142.00MN |
| GPS Unit Mounting Bracket*** | $4,093.00MN |
| WeatherLink Console*** | $8,935.00MN |
| Wireless Vantage Pro2 Plus (Solar & UV)*** | $35,627.00MN |
| U52-10 Multi-parameter Water Quality Meter*** | $130,564.00MN |
| Model HC Soil Sampler*** | $2,551.00MN |
| USB-to-3.5mm-Stereo-Plug Adapter | $1,531.00MN |
| Xplorer 4 | $4,009.00MN |
| U53-10 Multi-parameter Water Quality Meter*** | $184,966.00MN |
| Green Science- Grow-A-Maze | $314.00MN |
| Orion Dynamo Pro 155Wh AC/DC/USB Lithium Power Supply*** | $9,157.00MN |
| Penetrometer FT 02 | $6,649.00MN |
| ezRead™ | $1,316.00MN |
| Tip 5/16"*** | $580.00MN |
| 12in Aztec Globe | $2,138.00MN |
| WatchDog 100 Series Button Docking Station (serial)*** | $3,587.00MN |
| Mounting Tripod | $3,664.00MN |
| 4.57" ID Orion Full Aperture Solar Filter*** | $2,895.00MN |
| 3.68in. ID Orion Full Aperture Solar Filter*** | $2,398.00MN |
| WaterScout SM 100 Sensor - 6ft(1.8m)*** | $2,320.00MN |
| Orion EQ-3M Single-Axis Telescope Drive | $3,242.00MN |
| Envoy8X*** | $8,143.00MN |
| Números y Estrellas Mayas | $230.00MN |
| Fun Mechanics Kit- Brush Robot | $434.00MN |
| HandHeld™ 2.5/5x | $125.00MN |
| Poster Mapa del cielo | $75.00MN |
| Termómetro digital solar Maximos y Mínimos | $606.00MN |
| Xplorer 3 | $3,057.00MN |
| Mounting Pole Kit | $1,357.00MN |
| Build Your Own Wind Turbine*** | $425.00MN |
| Glow Star | $106.00MN |
| Tensiometer Service Kit*** | $2,015.00MN |
| Doodling Robot*** | $357.00MN |
| Stargazer's Deluxe Filter Set 1.25"*** | $5,374.00MN |
| digital professional thermo-hygrometer | $2,354.00MN |
| Quantum Light Sensor*** | $10,130.00MN |
| Penetrometer FT 10 | $8,311.00MN |
| FieldScout TDR 350 Soil Moisture Meter with Case*** | $36,218.00MN |
| garden-combitester | $477.00MN |
| Globo Terráqueo Traveler Antiguo | $2,138.00MN |
| Moon Poster | $112.00MN |
| GPS MAP 65*** | $9,169.00MN |
| 1.25in. 2x Orion Shorty Barlow Lens*** | $1,075.00MN |
| Glow Mini Stars | $117.00MN |
| Field Scout Foot-Candle Meter*** | $7,591.00MN |
| 1.25" Orion Variable Polarizing Filter | $1,086.00MN |
| Cabled Weather Envoy*** | $5,316.00MN |
| Replogle Globe Traveler Globe Blue | $1,069.00MN |
| U53G-10 Multi-parameter Water Quality Meter*** | $204,080.00MN |
| LAQUA Twin Potassium Meter*** | $13,154.00MN |
| UltraBlock Narrowband Light-Pollution Filters*** | $3,142.00MN |
| Neutral-Density Moon Filters, 13% Transmission*** | $764.00MN |
| GPSMAP® 65s*** | $10,188.00MN |
| digital thermo-hygrometer*** | $1,163.00MN |
| 150 ppm Ca2+ Standard, 6 - 14mL bottles*** | $1,600.00MN |
| Glow 3D Solar System | $131.00MN |
| Galino liquid thermometer | $613.00MN |
| MT-PRO Grain Moisture Tester*** | $9,499.00MN |
| U52G-10 Multi-parameter Water Quality Meter*** | $151,148.00MN |
| Field Scout Dual Solar/Electric Quantum Meter*** | $7,591.00MN |
| Atlas cosmico*** | $172.00MN |
| Orion Awesome Autoguider Refractor Package | $22,532.00MN |
| 2000 ppm NO3- Standard*** | $1,804.00MN |