5cm Six-Sided Magnetic Cube Teaching Aid Rectangular Prism Building Blocks Elementary School Grade 3-5 Geometry Model Object Observation 2cm Cube Solid Math Magnetic Attraction Magnet Teaching Strong Magnet

$7.75

Fabao Prism Spectroscope Handheld Focus Spectral Analysis Specialized Appraisal Tool Jewelry Gemstone Instrument FPS-3A

$460.00

Bestest Mohs Hardness Pen for Measuring Jade, Emerald, and Hetian Jade Hardness Levels 1-10, Specialized Tool for Jewelry Appraisal

$70.40

Handheld Adjustable Focus Prism Spectroscope for Jade Spectrum Analysis, Absorption Line Viewer, Specialized Tool for Jewelry and Gemstone Identification

$398.00

Magnetic Cube Teaching Aids for Elementary Students Grades 3-4, Math Six-Sided Magnetic 3D 2cm Small Blocks, Rectangular Magnet Cubes, Magnetic Geometric Shape Models, Children's Observation Building Blocks

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Cube Cuboid Math Teaching Aid Magnetic Strong Magnet Small Strong Magnet Cube Solid Geometry Model Square Building Block Graphic Elementary School 2cm Grade 4-5 Volume 2 360 Degrees

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DIY CD Car Science Project - Waste Utilization Manual Balance Car for Students, Educational Inquiry Teaching Materials for Handicraft Classes

$13.90

Hujiao DIY Periscope Making Kit – Children's Handcraft Science Experiment Material for Mirror Reflection Learning, Grade 5 Elementary Enlightenment, Junior High Physics Optics Application, Wooden Die-Cut Model

$8.80

Beijing Edition Labor Technology Grade 3 Volume 2 Elementary School Labor Class Teaching Kit with Manual Materials and Tool Bag

$31.95

6th Grade Science Electromagnet Experiment Kit, Elementary School Electricity-to-Magnetism DIY Magnetic Levitation, Children's Fun Teaching Material Pack, Handmade DIY Tool Assembly T-Shaped Coil, Electromagnetism Physics Teaching Aid

$8.50

DIY CD Car Science Project. Waste Recycling Manual Balance Car for Students. Educational Handcraft Materials for Intellectual Exploration Classes.

$13.90

DIY Homemade Canoe Model Drag Plate Experiment Kit - Science Class Project for Elementary Students, Grade 5 Teaching Aid and Handicraft Material Pack

$12.80