Disposable pasteurized straw chemical experiment pipette 1ml 2ml 3ml scale plastic straw

Glass test tube Cork round bottom flat test tube 12*75 15*150 18*180 20 * 200mm coil test tube

Rubber stopper with hole rubber stopper single hole double hole test tube stopper conical bottle stopper burning bottle stopper soft rubber stopper plug

Plastic Medicine spoon three medicine spoons one set single-headed double-headed small medicine spoon chemical experiment equipment 125mm/135mm

Small bulb 2.5V1.5V3.8v6v12v small electric bead lamp holder experimental electrical experiment flashlight bulb

Asbestos net 12.5/15/20cm heat insulation net uniform heating Net iron wire asbestos fire Net chemical tester

Ceramic mortar garlic masher garlic masher medicine jar masher grinder grinding bowl grinding bowl mortar porcelain 60mm

Alcohol lamp tripod heating bracket experimental bracket chemical laboratory equipment

Glass scale dropper 0.5ml 1ml 2ml 3ml 5ml 10ml glass dropper rubber head dropper pipette pipette

Conical flask triangle flask 250ml500ml100ml flat bottom flask borosilicate thickened glass conical flask

Glass Dropper Laboratory Glass Pipette Rubber Head Dropper 9cm12cm15cm20cm Red Leather Head Dropper

Glass slide coverslip 7101 7105 biological slide microscope glass smooth surface matt surface slide

Glass test tube Cork flat test tube 12*75 15*150 18*180 20 * 200mm coil test tube

Glass alcohol lamp 25ml60ml150ml250ml experimental heating chemical experiment alcohol lamp

Glass beaker 25ml50ml100ml250ml500ml beaker glass measuring cup beaker chemical experiment customization

PH test paper amniotic fluid absorbent paper biological experiment microscope weighing paper qualitative and quantitative filter paper

Glass duct elbow 90 degrees 60 degrees 180 degrees T-shaped Y-shaped glass tube straight duct chemical experiment air duct

Glass transparent drop bottle brown drop bottle with red glue head glass dropper 30ML 60ML 125ML laboratory device

Density meter hydrometer liquid bometer salinity meter concentration meter cool skin mud petroleum diesel oil sulfur mixture

Convex mirror Concave mirror Convex lens Convex lens Large triangular prism Optical experimental equipment Lens teaching belt base

Plastic square sink transparent square laboratory plastic sink square sink large container chemical experiment equipment

Glass collection cylinder 60ml125ml250ml500ml chemical experiment collection cylinder wool glass instrument

Glass seed bottle chicken heart bottle display bottle glass sample bottle 125/250/500ml experimental equipment with rubber stopper

Glass stirring rod 15cm20cm25cm glass rod laboratory transparent round head borosilicate glass rod customization

Glass petri dish 90mm60mm75mm120mm150mm cell culture High Borosilicate petri dish glass dish

Chemical laboratory wide mouth bottle fine mouth frosted bottle mouth thickened reagent bottle Brown transparent glass bottle

Glass measuring cylinder 5ml10ml25ml50ml100ml250ml500ml chemical laboratory glass scale measuring cylinder

Plastic Medicine spoon double-headed medicine spoon small medicine spoon color medicine spoon Laboratory Small medicine spoon 20cm weighing spoon

Complete set of distillation device distiller essential oil distillation extraction device distilled water device purification refining essential oil distillation

Dissecting device seven-piece/four-piece set biological specimen making dissecting needle stainless steel dissecting tool dissecting scissors

Tray Balance Weights Household Small Balance Student Physical Equipment Laboratory Rack Mechanical Balance Teaching Aids

Acid-base burette transparent brown acid/basic/universal 10/25/50/100ml glass instrument for experiment

A full set of liquid internal pressure tester suit small pressure gauge transparent liquid container buoyancy experimental teaching aid

Resonant tuning fork 256/512/440Hz wooden speaker steel teaching physical acoustics experiment instrument resonance box

Junior Senior high school Chemistry Experimental Equipment Full suit Primary School Grade 89 Junior High School Grade 3 Senior high school Chemistry Experimental Box

Junior High School and senior high school chemical molecular structure model ball stick proportion organic ball stick model model experimental equipment