Teaching Magnets for Students Junior High Physics Experiments Elementary Science Enlightenment Children Circular Rectangular Bar Magnet Poles Horseshoe U-Shaped Strong Magnet Lodestone Large Teaching Aid

$4.70

Elementary Grades 2-3 Second Semester Magnet Experiment Set Physics Experiment Strong Magnet Science Experiment Set Student Lodestone Magnetic Levitation Horseshoe U-Shaped Bar Magnet Compass Fun Toy

$10.40

Grade 2 Volume 2 Magnet Experiment Kit, Physics Experiment Strong Magnet Science Small Experiment Set for Children, Horseshoe U-Shaped Magnet, Student Lodestone, Magnetic Levitation Compass, Fun Toy

$7.80

Puzhong 51 Microcontroller Learning Board Development Board STC89C52 Experiment Board C51 DIY Kit

$833.00

Grating Spectroscope for Emerald, Gemstone, and Tourmaline Identification, Spectrometer with Chart and Manual, Jewelry and Jade Testing Tool

$175.00

Handheld Prism Spectroscope Adjustable Focus for Emerald Spectrum Absorption Lines Jewelry and Jade Appraisal Tool

$398.00

FABLE Gemstone & Jewelry Identification Tool: Titanium Alloy Tweezers with Stainless Steel Locking Grooves and Anti-Slip Design

$52.80

Best UV Light Box 365nm Light Source, Natural Jade and Emerald Identification Kit, Specialized Tools for Amber and Beeswax

$1,232.00

Handheld Prism Spectroscope Adjustable Focus Jade Spectrum Analyzer Absorption Line Specialized Tool for Jewelry & Jade Identification

$350.00

Gem Refractometer Jadeite and Jade Authenticity Identification Tool Set, Gem Refractive Index Tester with Rechargeable Battery and Refraction Oil Included

$1,742.00

Carland WHI100 Model Flashlight - LED Bulb Cold White Light Fiber Optic Jade Identification Tool

$600.00

Longyan Jade Gemstone Identifier with UV Fluorescence Lamp, 365nm Long-Wave Light, Instrument and Tool for Jade and Stone Authentication

$480.00