The eyepiece holder which comes standard with some Schmidt-Cassegrain telescopes threads on to the rear cell of the optical tube…
You won't believe your eyes with the classic illusion trick cards! Experience the swirling illusions produced by the illusion spinner,…
Build this amazing and wind generator and learn about renewable energy. Watch the LED glow as it is powered by…
Despliegue simultáneo de temperatura y humedad Función de máximas y mínimas Función diferencia Rango de medición: -20 ... +60 °C precisión ± 1…
Experiment with static electricity that causes lightning, make clouds in your palm, build a desktop water cycle model, watch air…
The PM-33 Pocket Magnifier from Carson Optical is a multi-power LED lighted Magnifier. This HandHeld Pocket Magnifier? has three magnifying…
The PG-10 PageGlow from Carson Optical is a compact, portable, ultra-bright LED Booklight. The PageGlow? Booklight includes an ergonomic Thumb…
Essential for monitoring soil nutrients, nematodes in the soil profile. Soil sampling is extremely important to ensure optimum plant health. Soil…
Essential for monitoring soil nutrients, nematodes in the soil profile. Soil sampling is extremely important to ensure optimum plant health. Soil…
The CAOD-36 MagniView from Carson Optical is a compact, easy-to-use 2x power Magnifier for home, recreation or travel. Its crystal…
Meade AudioStar Controller #07640. Next generation Meade AutoStar, now with audio files and an internal speaker. Compatible with all Meade…
Make our super affordable analog penetrometer your first line of defense against soil compaction. Soil Compaction meters (often called penetrometers) are…
The WatchDog A-Series loggers are the most affordable way to track environmental conditions for analysis. Whether your needs are plant…
The WatchDog A-Series loggers are the most affordable way to track environmental conditions for analysis. Whether your needs are plant…
Magnification: 2x Glass Lens Dia: 3.5? The Magnifier, Clips, and Joins Rotate 360° Two Adjustable Arms with Alligator Clips Chrome Plated Heavy Duty Base with…
Simple, affordable, and effective red dot sighting device makes aiming your telescope a cinch!A small red LED dot is projected…
Large 50mm diameter black finder scope lets you see fainter objects compared to smaller finder scopes9x magnification and a standard…
Sencillo y compacto: facilita en trabajo Facilita sus mediciones y presupuestos con la función de suma automática El más compacto del mercado.…
Láser de 5 puntos muy compacto: para la transmisión fácil de ángulos rectos Nivel a láser de 5 puntos – ideal…