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H37F Handheld Hand Cranked Generator for Outdoor Emergency Power Supply, Hand Powered AC and D-C Generator Manual Generator
E65E Field Current Effect Demonstrator Physics Teaching Aid Electromagnetic Experiment Apparatus for Classroom
Magnetic Suspension Gyroscope Force and Magnetic Phenomena Physics Magnetic Levitation Demonstration Teaching Instrument
5pcs Experimental Spring Set Physics Teaching Spiral Springs Hooke'S Law Demonstration Students Science Supplies Lab Instrument
H37F Stirling Engine Model Low Temperature Difference Teaching Tool For School Labs
Saltwater Power Fan Set for Classroom Demonstrations and Home Science Projects
C7AB LumiOrb WiFi Crystal Balls – Depth Video & Photo Memory Sphere, LumiOrb Crystal Balls, Immersive Memory Display
C7AB Alloy Stirling Engine Generator Model Thermal To Mechanical Energy Conversion Demonstrator For Classroom Teaching
E65E Kids Physics Learning Tool Handmade Wooden Sunlight Flower Craft Activity Craft Sunlight Flower Craft For Classroom
H37F Double Function Magnetizer And Demagnetizer For Physics Experiments With Large And Small Sizes Option
E65E Educational Physics Tool With Modular Belt Chain Drive Systems For Classroom
Portable Laser Welding Machine – Rechargeable Integrated Power Station Generator with High Power Output
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