| U51-10 Multi-parameter Water Quality Meter*** | $456,314.00MN |
| U52G-10 Multi-parameter Water Quality Meter*** | $446,469.00MN |
| Barometric Pressure Sensor Std.*** | $10,965.00MN |
| WaterScout Calibration Device*** | $8,507.00MN |
| Conductivity Electrode Replacement*** | $30,818.00MN |
| LCD Digital Microscope II*** | $14,087.00MN |
| U52-10 Multi-parameter Water Quality Meter*** | $385,666.00MN |
| WaterScout SM 100 Sensor - 6ft(1.8m)*** | $6,853.00MN |
| Microscopio Biológico Profesional*** | $40,405.00MN |
| MS-0100 Carson Microscope 1000x*** | $7,882.00MN |
| U53G-10 Multi-parameter Water Quality Meter*** | $602,821.00MN |
| "Academy" Microscope 1000x*** | $10,338.00MN |
| Microscopio Monocular Biológico 40x,100x y 400x | $4,872.00MN |
| U53-10 Multi-parameter Water Quality Meter*** | $364,240.00MN |
| Quantum Light Sensor*** | $49,871.00MN |
| CO2 Monitor*** | $67,137.00MN |
| WaterScout SM 100 Sensor - 20ft*** | $7,961.00MN |
| MS-0160 Carson Microscope 1600x*** | $13,992.00MN |
| Irrometer Tensiometers 18 in Model R*** | $2,922.00MN |
| Wall Mount Temp/RH/CO2 Meter*** | $26,527.00MN |
| Refractometer 0-32% Auto Temp Comp*** | $5,581.00MN |
| Mark I: 20x Panoramic Telescope (coin operated)*** | $114,427.00MN |
| Mark II: 10x Panoramic Binocular (noncoin operated) w/o base*** | $195,088.00MN |
| Mark II: 10x Panoramic Binocular (noncoin operated)*** | $211,904.00MN |
| Irrometer Tensiometer 12 in Model SR | $2,818.00MN |
| Mark III: 10x Panoramic Binocular (coin operated) w/o base*** | $234,054.00MN |
| CO2 Monitor AIRCO2NTROL COACH*** | $6,015.00MN |
| Mark III: 10x Panoramic Binocular (coin operated)*** | $278,692.00MN |
| Lizards, birds and snakes - 10 slides | $689.00MN |
| Watermark Soil Moisture Sensor 20 ft*** | $8,122.00MN |
| eFlex™ - 75x / 300x Digital Microscope with Flexible Neck*** | $1,961.00MN |
| Microscopio 2 en 1 Desmontable | $511.00MN |
| Fiedl Scout Red/Far Red Meter*** | $54,746.00MN |
| 0-2.5V DC Input Cable*** | $1,431.00MN |
| Microscopio para Celular | $272.00MN |
| Temperature (Micro) Sensor*** | $6,393.00MN |
| Tipping Bucket Rain Collector | $7,639.00MN |
| 4-20 mA Input Cable*** | $485.00MN |
| Mark I: 20x Panoramic Telescope (coin operated)*** | $273,493.00MN |
| Irrometer Tensiometers 36 in Model R*** | $3,231.00MN |
| Silicon Pyranometer Sensor*** | $14,449.00MN |
| Stereo Microscope CRYSTAL PRO 7.5-45x*** | $51,072.00MN |
| Soil Moisture Transducer - R*** | $7,429.00MN |
| Field Scout Dual Solar/Electric Quantum Meter*** | $14,949.00MN |
| 5MP Digital Imager*** | $4,696.00MN |
| Fishes, frogs and amphibians - 10 slides | $704.00MN |
| Stereoscopic Microscopie DIAMOND 20 & 40x*** | $8,127.00MN |
| Field Scout External Light Sensor Meter*** | $17,449.00MN |
| Quantum Light Sensor*** | $8,374.00MN |
| External (Soil) Temperature Sensor - 20 ft.*** | $7,199.00MN |
| 50x Pocket Microscope w/2 LED's | $665.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides | $689.00MN |
| Set for teaching Sciences - 10 slides | $704.00MN |
| The Wanderful World of a Drop of Water - 10 slides | $689.00MN |
| UV Sensor*** | $8,224.00MN |
| General Biology - 25 slides | $1,604.00MN |
| Watermark Soil Moisture Sensor 11 ft*** | $6,631.00MN |
| Patological human tissues (Part 1) - 10 slides | $689.00MN |
| Field Scout Quantum and Foot-Candle Meter*** | $9,374.00MN |
| Barometric Pressure Sensor Extended Range*** | $21,929.00MN |
| Patological human tissues (Part 2) - 10 slides*** | $689.00MN |
| MicroBrite Plus™ - 60-120x Pocket Microscope*** | $433.00MN |
| LightScout DLI 100 Light Meter*** | $5,078.00MN |
| Quantum Light Sensor*** | $7,224.00MN |
| Irrigation On/Off Sensor*** | $5,591.00MN |
| WatchDog Model 2475 Plant Growth Station*** | $23,734.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| Stereo Microscope CRYSTAL 7.5-45x*** | $25,206.00MN |
| FieldScout Sensor Reader Case*** | $1,110.00MN |
| Microscopio infantil 1200x*** | $1,812.00MN |
| Leaf Wetness Sensor | $3,454.00MN |