Experimental instrument device | 2,000+ products

Wooden ruler 1 m double-sided scale ruler ruler 1 m wooden ruler 100cm wooden ruler teaching aids ruler

White mini pipette 100ul fixed pipette 50ul small micro sampler mini pipette gun

Scalpel (dissecting knife handle + blade) dissecting tool apparatus biological experiment equipment teaching instrument

Radiometer Crooks Sunshine Windmill Amazon Light Pressure Teaching Instrument Science Instrument Gift Ornaments

Sinan model J39154 ancient finger north and south needle compass geography history teaching instrument teaching aids experiment

Object thermal expansion and cold contraction experimental material J29019 copper ball iron ball plastic ball Primary School scientific experimental material

Pocket electronic scale portable jewelry scale finite element

Graphite Rod carbon rod 8mm carbon rod electrode welding graphite rod electrode rod conductive carbon rod

Junior high school acoustics experiment teaching tuning fork 512HZ Hz wooden resonance speaker physical acoustics experiment equipment

24007 diamond-shaped small magnetic needle 16 teaching instruments Mini small compass physical magnetic field experimental equipment

JOANLAB large capacity manual pipette pump pipette gun laboratory sampler 0.1-100ml

JOANLAB round rotary pipette holder 10ul tip 5ml tip 10 pipette gun holder 1 tip box

Tray balance 100g200g500g1000g with weight holder tray balance teaching balance physics student balance

Manufacturer Physical Strip Box Flat Cylinder Spring Balance Dynamometer 1N/2.5N/5N/10N Teaching Instrument

Plastic funnel 90mm funnel filter funnel triangle funnel cone funnel experimental equipment teaching instrument

14014 Students Digital Demonstration Digital Display Force Spring Scale Primary Senior high school Physics Teaching Instrument

English Manual three-ball instrument Sun, Earth and Moon running instrument popular science primary school science geography teaching instrument birthday gift

[Factory supply] optical bench full aluminum casting exploration convex lens imaging junior high school physics optical experimental equipment

Soil profile specimen community popular science exhibition natural soil profile science textbook geographical specimen observation

Factory sales of po mei specific gravity meter 0-70Be bo mei specific gravity meter density meter 1.0-2.0 chemical planting industry X20

Square Coil Rectangular Coil Electromagnetic Experiment Junior High School Physics Experiment Equipment Middle School Teaching Instrument

Factory wholesale manual puncher 6*1 group 3*1 group puncher large quantity and excellent price

Grooved probe anorectal surgical instrument anal mirror hook silver surgical puncture teaching instrument teaching instrument

Plastic lever ruler and bracket bar balance experimental primary school scientific inquiry with hook code with hook teaching aid

Temperature attached milk hydrometer 15-40 liquid measurement density meter milk goat milk density hydrometer

Fun Physics Science experiment students create small invention air-powered boat, three-in-one functional boat

80106 Colorful Translucent Sheet Red, Green and Blue Light Three Primary Color Filter Color Filter Physical Optical Instrument Injection Molding Thickeneding

23008 New electrostatic induction motor teaching instrument physical demonstration experiment generator experimental instrument

17 pieces biological anatomy tool suture silicone thread experiment equipment tool scissors tweezers knife handle teaching instrument

Children's outdoor insect net retractable metal telescopic rod insect fishing net pocket

[Electrohydraulic Density Meter] Battery Suction Battery Electrolyte Gravimeter Density Meter 1.100-1.300

Teaching with tension spring/compression spring/small spring/primary school science natural experiment equipment instruments can be sold separately

ph test paper/ph test paper/ph extensive test paper test paper 1-14 soil urine cosmetic pH test paper

Manufacturer Sales Ba Mebi Heavy Meter 0-70Be Baomei Hydrometer Density Meter 1.0-2.0 for Chemical Planting Industry

Anatomical Wax Disc Biological Specimen Disc Laboratory Biology Teaching Anatomical Disc Wax Disc Biological Anatomical Stainless Steel Wax Disc

Magnetic molecular model simulation magnetic molecular structure model projective simulation magnetization demagnetization phenomenon 24 magnetic needle

Salinity meter high precision seawater salinity meter seawater densitometer glass thermometer sea tank salinity meter factory direct sales

Three-in-one laser dragon-seeking compass 24 mountains feng shui compass precise automatic positioning portable mountain-walking compass

Teaching strip box dynamometer spring dynamometer spring balance 10N Newton 1000g stainless steel panel

Metal hook 10g20g50g100g200g lever ruler combination hook weight initial Senior high school slot code physical experiment