Optical gyro accessories. DIY small production gyro Shaft. Scientific optical experimental materials. Small gyro shaft
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от 2,875 so'm
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Tumbler DIY technology small system, primary school science supporting experimental materials, bulk Tumbler. Assembly Tumbler
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Centrifugal fan blade diameter 52. Plastic small fan blade small fan blade. DIY production material centrifugal fan fan blade
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29005 lever ruler and Bracket. Primary school science experiment equipment. Lever balancer. Teaching instrument balance ruler
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DIY blank globe can be painted teaching self-made materials package hand-painted globe to know the earth
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30504 two-pin clock model 12-hour logo, understanding clock mathematics learning tools clock model two-pin clock surface
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Simple Piano Box Self-made Sound Box Student Science Experiment DIY Guzheng Technology Small Production
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Constellation chart star chart four seasons rotating constellation chart astronomical star observation activity star chart
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The Cause of Wind The Formation of Wind Experimental Materials Primary School Science Physics Experiment Observation of Thermal Convection Phenomena
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Paper-making experiment DIY manufacturing primary school science experiment equipment second grade teaching materials
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Moon Phase Box DIY Moon Phase Change Demonstrator Moon Law Observation Primary School Science Exploration Experiment Grade 2
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Simple lung breathing model diaphragm movement simulator primary school science and technology small production fourth grade
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Time Capsule Record Time Student Memorial Supplies
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29001 Bevel double bracket primary school science experiment equipment physical friction experiment equipment Bevel small car
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Optical gyro rotating shaft. DIY small production gyro rotating shaft. Scientific optical experimental materials. With cardboard gyro
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Clock Model 10CM two-pin linkage Primary School Mathematics first and second grade mathematics teaching children understanding learning
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72 open wheel paddle function open wheel toy accessories technology model parts dual-purpose open wheel diameter 72mm
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29040 insect bottle. Insect observer insect box. Insect trap, scientific insect observation bottle magnifying glass
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Three-pin bulk clock model DIY technology small system, self-assembled small clock. Gear training operating materials
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Clock Model 8CM three-pin linkage clock model. 12-hour clock, primary school mathematics. Three-pin clock face model
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