| WatchDog Model 2450 Temp/RH Station*** | $57,964.00MN |
| Geologic Compass - A | $2,098.00MN |
| Meade Polaris 90mm German Equatorial Refractor | $10,617.00MN |
| WatchDog Model 2425 Plant Growth Station*** | $16,220.00MN |
| LED LIGHTED Full-Page, Paper-Back Book Light | $651.00MN |
| LinenTest™ 11.5x15mm*** | $327.00MN |
| Lupa de bolsillo plegable con lente de cristal de 4x 2" | $55.00MN |
| Rectangle Rim Free 2x | $418.00MN |
| Credit Card Magnifier 2x*** | $40.00MN |
| MicroBrite Plus™ - 60-120x Pocket Microscope*** | $433.00MN |
| CM 1000 Chlorophyll Meter*** | $83,336.00MN |
| Yagi Antenna Cable - 20ft*** | $2,450.00MN |
| PC CUBBY FOR HD-6T*** | $31,320.00MN |
| TS33F-M Wireless remote temperature and humidity sensor | $541.00MN |
| Conductivity Electrode Replacement*** | $10,273.00MN |
| Electric Shutter (ES-6/ES-10)*** | $23,490.00MN |
| WatchDog Sprayer Station w/Console*** | $58,696.00MN |
| WatchDog Sprayer Station Console*** | $30,555.00MN |
| SLIM LINE WEATHER STATION WITH ATOMIC CLOCK | $1,028.00MN |
| Electric Dome Drive ED-10*** | $23,490.00MN |
| Meade Series 4000 1.25" Plossl Eyepiece & Filter Set*** | $5,936.00MN |
| Moisture-Mac Coffee Moisture Tester*** | $18,601.00MN |
| Digital Dome Works*** | $150,336.00MN |
| Set for Teaching Biology (Part 1) - 10 slides | $704.00MN |
| 4-20 mA Input Cable*** | $485.00MN |
| U52G-10 Multi-parameter Water Quality Meter*** | $446,469.00MN |
| FieldScout Sensor Reader Case*** | $1,110.00MN |
| ZWO Mini Guider Scope*** | $3,540.00MN |
| Orion Prime Focus Camera Adapters | $780.00MN |
| 0-2.5V DC Input Cable*** | $716.00MN |
| Patological human tissues (Part 2) - 10 slides*** | $689.00MN |
| Telescope 8" LX90-ACF*** | $86,564.00MN |
| Soil Test Kit w/ 30 Samples - Sodium*** | $2,491.00MN |
| Animals and Plants Damaged by the Enviroment - 10 slides | $689.00MN |
| Filtro Solar de 125mm de D.I.*** | $928.00MN |
| CONVENTIONAL POCKET TRANSIT*** | $13,436.00MN |
| Filtro Solar de 100mm de D.I.*** | $696.00MN |
| U53G-10 Multi-parameter Water Quality Meter*** | $401,880.00MN |
| AudioStar Hand Controller*** | $6,941.00MN |
| Filtro Solar de 70mm de D.I.*** | $580.00MN |
| EOS-T2 Adapter suitable for all ASI cameras*** | $3,983.00MN |
| Series 5000 Mega Wide Angle Eyepiece 21mm (2")*** | $7,326.00MN |
| 16" LX200-ACF Telescope with Tripod*** | $508,995.00MN |
| 2" ACCESSORY ADAPTER FOR MEADE ACF AND SCT MODELS*** | $2,968.00MN |
| Life in the Ground - 10 slides | $689.00MN |
| Filtro Solar de 110mm de D.I.*** | $812.00MN |
| Campus Microscope Photo Adapter | $968.00MN |
| Vibration Isolation Pads #895*** | $1,199.00MN |
| Par de anillos de 125mm con adaptador tipo Losmandy*** | $2,096.00MN |
| Eyepiece SP 4000 12.4mm 1.25" Meade*** | $866.00MN |
| CO2 Monitor*** | $22,379.00MN |
| ZWO ASI 1600 MONOCHROME COOLED CAMERA W/7-36MM FW AND LRGB/HA/SI*** | $66,715.00MN |
| MT-16 Grain Moisture Tester | $8,414.00MN |
| Filtro Solar de 150mm de D.I.*** | $2,784.00MN |
| WatchDog A-Series PC Cable*** | $692.00MN |
| Filtro Solar de 170mm de D.I.*** | $3,016.00MN |
| 2000 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| 150 ppm Na+ Standard, 6 - 14mL bottles*** | $1,776.00MN |
| LAQUA Twin pH Meter*** | $4,198.00MN |
| Funda para telescopio | $1,737.00MN |
| Cable for 497 Hand Controller*** | $334.00MN |
| WatchDog A110 Temp*** | $1,800.00MN |
| 6 ft.(Short) HOME-DOME (HD-6S)*** | $373,368.00MN |
| #928 45-Degree Erect Image Prism (1.25")*** | $1,125.00MN |
| ASI1600MM Pro (mono)*** | $42,706.00MN |
| ZWO EFWmini (5 x 1.25″or 5 x 31mm)*** | $5,760.00MN |
| Bípode de Aluminio con liberación modo pulgar Mod 4360*** | $2,195.00MN |
| AirLink Professional Air Quality Sensor*** | $4,788.00MN |
| Milwaukee pH600AQ Digital pH Pen*** | $1,590.00MN |
| Tin Can Robot | $351.00MN |
| Microscopio Monocular Biológico 40x,100x y 400x | $4,872.00MN |
| GPS eTrex® SE*** | $7,998.00MN |
| Kestrel 5500 Weather Meter with LiNK + Vane Mount*** | $13,546.00MN |
| GPS eTrex 32x | $7,021.00MN |
| Build Your Own Wind Turbine*** | $418.00MN |
| LAQUA Twin Potassium Meter*** | $12,951.00MN |
| Leaf Wetness Sensor | $3,454.00MN |
| Mounting Tripod | $3,608.00MN |
| U52-10 Multi-parameter Water Quality Meter*** | $128,555.00MN |
| Chrome Lighted RimFree | $855.00MN |
| Autoguider Port Module*** | $1,652.00MN |
| Higrotermómetro y datalogger con 32000 registros | $2,361.00MN |
| GPS Garmin ETrex 22x | $5,015.00MN |
| Tip 1/8"*** | $571.00MN |
| GPS eTrex ® 10*** | $3,007.00MN |
| LCD Digital Microscope II*** | $14,087.00MN |
| Anemometer Transmitter Kit*** | $5,234.00MN |
| 6-Plate Solar Radiation Shield*** | $5,811.00MN |
| digital wine thermometer | $500.00MN |
| Glow 3D Dinosaur*** | $127.00MN |
| Leaf Wetness Sensor, Vantage Pro and Vantage Pro2*** | $3,675.00MN |
| Pocket Multi-Tool 12-in-1*** | $1,031.00MN |
| Termómetro Min/Max libre de Mercurio | $637.00MN |
| Outland X 10x42 Binoculars*** | $4,143.00MN |
| 140mm ID Orion Telescope Tube Rings | $1,611.00MN |
| Digital thermo-hygrometer*** | $1,473.00MN |
| Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC*** | $8,397.00MN |
| Orion SkyQuest XT10 Classic Dobsonian Telescope*** | $31,713.00MN |
| Oceana 7x50 Marine | $7,921.00MN |
| Motor Drive for AstroMaster/PowerSeeker | $2,050.00MN |
| Rocket Race Car*** | $521.00MN |
| thermometer for compost | $708.00MN |
| WaterScout SMEC 300 Soil Moisture/EC/Temperature Sensor*** | $5,515.00MN |
| Upclose G2 10-30x50 Zoom Porro Binocular*** | $4,845.00MN |
| soda cane robug | $271.00MN |
| Glow Solar System Mobile Making Kit*** | $260.00MN |
| Glow Star | $104.00MN |
| Night Sky Proyection Kit*** | $260.00MN |
| Illusion Science*** | $259.00MN |
| Green Science- Grow-A-Maze | $309.00MN |
| Mag Lev Train Model*** | $417.00MN |
| Stegosaurus Skeleton | $245.00MN |
| dovetail plate for Vixen-style mounts | $475.00MN |
| Mammoth Skeleton*** | $245.00MN |