Three fossil specimens J43116 fossil specimens ancient fossil Primary School Middle School geographical observation collection 5.0101 sold.84,638 so'm
Heart anatomy model natural primary and secondary school biological model biological model manufacturers rush sales 5.01,605 sold.51,723 so'm
Artificial material specimen J49002 Primary School experimental equipment popular science instrument teaching instrument 5.0101 sold.37,617 so'm
118 000 A4 covered DNA coagulation recovery purification column/DNA adsorption column/nucleic acid purification column/centrifugal column 4.6200 sold.7,524 so'm
Wooden test tube rack 6 holes 8 holes 10 holes 12 holes Chemical laboratory instrument test tube rack diameter 22, 25, 35mm 5.01,187 sold.15,047 so'm
Foreign trade export gold-plated stainless steel double-headed stethoscope double-sided stethoscope Stethoscope 0.01,127 sold.159,871 so'm
Cylinder group with hook copper block iron block aluminum block physical density volume ratio mechanics teaching experimental instrument 0.0587 sold.21,160 so'm
Chemical experiment consumables rubber tube latex tube water stop clip water stop clip laboratory galvanized spring water stop clip 5.04,951 sold.1,411 so'm
30CM high quality glass rod high quality baking head solid glass rod high temperature resistant glass stirring rod experimental instrument 5.0620 sold.2,822 so'm
Qipu generator carbon dioxide production device chemical instrument glass gas generator Qipu generator 5.0298 sold.39,968 so'm
Red water thermometer mercury thermometer 0-100/0-200/0-360 degrees Celsius experimental measuring thermometer 5.0448 sold.6,113 so'm
Paper tape large roll 50 m electromagnetic dotting timer paper tape note spark timer middle school physical paper tape 5.02,762 sold.6,113 so'm
Dissecting plate wax plate 27003 stainless steel dissecting plate 19 * 26cm junior high school biological experiment equipment teaching instrument 5.0405 sold.32,915 so'm
Puncher Splint J02003 Chemical Experimental Equipment Middle School Supplies Chemical Instruments Teaching Aware Instruments 0.01,546 sold.23,511 so'm
Factory Direct Supply Sliding Rheostat 50 Ohms. 20 Ohms. 10 Ohms. 5 Ohms Adjustable Resistance Electrical Physics Experimental Equipment 5.0888 sold.46,551 so'm
J2708 biological dissector seven-piece stainless steel dissecting tool suit experimental equipment teaching instrument 0.0100 sold.58,776 so'm
30 physical experiment instruments 30507cm cube primary school mathematics teaching aids 1cm small cube 0.0622 sold.4,703 so'm
128Hz aluminum alloy nerve medical tuning fork ear picking tuning fork shock bell ring clip vibration Buddha ear shock 128Hz magnetic 0.00 sold.89,340 so'm
DNA double helix structure model genetic gene and variation biological Senior high school biological teaching instrument experimental equipment 5.0892 sold.54,074 so'm
16022 rain gauge rain cylinder plastic rain cylinder primary school science teaching instrument experimental equipment 5.03,211 sold.58,071 so'm
white light screen white screen imaging screen (optical bench attachment) frosted light screen optical experiment teaching instrument 5.0281 sold.8,464 so'm
Metal mineral specimen J49007 Primary School natural science popularization teaching instrument 5.0200 sold.37,617 so'm
29036 Plane Mirror and Bracket Teaching Instrument Primary School Kindergarten Science Experiment Light Refraction Imaging Experiment 5.0703 sold.6,113 so'm
Factory wholesale 29004 floating block kindergarten primary school science experiment equipment 5.02,225 sold.21,160 so'm
With luminous professional multi-function map scale compass transparent acrylic map ruler outdoor directional off-road 5.0403 sold.25,862 so'm
27003 dissecting plate/wax plate/stainless steel dissecting plate biological anatomy experimental equipment teaching instrument 5.05,689 sold.28,213 so'm
[Factory Supply] Physical and Electrical Switch/Lamp holder/Battery Box Copper SPDT SPDT Teaching 5.0414 sold.7,054 so'm
Factory wholesale Junior High School physical equipment 16008 empty box barometer empty box barometer manufacturer in stock 0.0149 sold.376,165 so'm
Standard Steel 512Hz teaching tuning fork 22002-type acoustic tuning fork teaching instrument 5.04,547 sold.61,127 so'm
Metal hook code combination hook code experiment Junior High School physical mechanics 10G 20g 50g 100g 200g combination 4.0878 sold.31,975 so'm
Retro pocket watch hollow flip bronze pointer metal outdoor off-road gift children gift compass 5.012,280 sold.56,425 so'm
Object heat absorption demonstrator heat conduction experimental material copper rod iron rod aluminum rod plastic rod ceramic rod wooden rod 5.01,951 sold.706 so'm
16024 light wind meter wind direction anemometer experimental equipment teaching instrument light wind meter 5.0202 sold.681,799 so'm
Chuda outdoor car North needle folding car ball English advertising gift promotion LC450 in stock 5.0320 sold.21,160 so'm
Demonstration original secondary coil 24009 original coil demonstration full copper coil physical experiment equipment teaching instrument 0.01,081 sold.79,936 so'm
Earth structure model Earth internal structure Model Primary School Science geography popular science teaching instrument wholesale 4.9115 sold.211,593 so'm
Factory-Designed Kidsren's Outdoor Insect Aid Butterfly Spider and Other Insect Clip Tweezers Scissors Clip 5.0220 sold.9,405 so'm