Copper sheet zinc sheet aluminum sheet iron sheet homemade fruit battery making experimental material primary battery Primary School scientific experiment
0.0
180 sold.
4,232 so'm
Experimental instrument device | 2,000+ products
Portable Bensheng lamp laboratory dental heating disinfection gas lamp medical teaching fire gun alcohol lamp cross-border
5.0
888 sold.
211,593 so'm
Resistance ring 5ohm 10ohm 15ohm fixed value resistance J23018 Electrical Experiment measurement resistance Middle School Physics
1.0
1,652 sold.
11,756 so'm
14003 cylinder dynamometer 2.5N5N10N20N30N measuring precision mechanics experiment factory direct sales
5.0
3,460 sold.
22,100 so'm
Formation of wind experimental material J29012 primary school science and physics experimental equipment popular science exploration teaching instrument
5.0
989 sold.
18,809 so'm
CyliNder DyNamometer 1N/2.5N/5N/10N/30N/50N SpriNg Scale 100g/250g/500g TeNsioN Meter
5.0
7,482 sold.
17,868 so'm
No. 1 Battery Box No. 1 Battery Box No. 1 04010 copper electrical battery box can be connected with experimental equipment
4.9
1,338 sold.
7,994 so'm
Graphite Rod carbon rod 8mm carbon rod electrode welding graphite rod electrode rod conductive carbon rod
5.0
512 sold.
7,054 so'm
Bobei's Hydrometer 0-70 Density Meter Baomei Meter Alcohol Meter Liquid Concentration Meter Glass Float Boomei Meter
5.0
3,403 sold.
8,464 so'm
Large wooden lever ruler and bracket with hook lever balance principle tester demonstrator physical experiment
4.0
583 sold.
18,809 so'm
Scientific experiment toys Primary School kindergarten DIY handmade materials stem teaching aids technology production food specimen
0.0
127 sold.
9,405 so'm
Lichen Pipette Head Universal Pipette Tip 10ul200ul1000ul Pipette Pipette Holster Experiment
5.0
527 sold.
56,425 so'm
Pipette Tip Capture Tube Pipette Gun Head Manufacturer Spot Supply Disposable Suction Head Nozzle
5.0
2,167 sold.
18,809 so'm
23023 simple resistance box 0-9999 Ohm physical electricity four knobs experimental equipment teaching instrument
5.0
2,292 sold.
178,679 so'm
Acid-base burette transparent brown acid/basic/universal 10/25/50/100ml glass instrument for experiment
5.0
523 sold.
17,868 so'm
Duoqi 8408 Tianping scale experimental tool teaching Tianping scale children's teaching aids funny teaching tray Tianping scale
5.0
416 sold.
29,153 so'm
Dissecting plate wax plate J27003 stainless steel dissecting plate 19 * 26cm Junior High School and senior high school biology experiment teaching instrument
0.0
228 sold.
21,160 so'm
Luminous car ball pointer folding adjustable measuring tilt angle seamless double-sided adhesive car decoration
5.0
2,201 sold.
68,180 so'm
Insect Observation Cage Children's Outdoor Exploration Insect Small Animal Collector Portable Capture Tool Collection Box
5.0
1,947 sold.
47,021 so'm
Compass boutique J35 pocket watch flip cover luminous outdoor car compass with key chain professional compass
4.9
2,379 sold.
43,730 so'm
Factory direct cylinder dynamometer spring scale various specifications complete experimental Spring Balance
0.0
0 sold.
19,890 so'm
Demonstration original secondary coil 24009 original coil demonstration full copper coil physical experiment equipment teaching instrument
0.0
936 sold.
79,936 so'm
Double-pole double-throw switch Single-pole switch Teaching circuit knife Physical and electrical experimental equipment Teaching instrument
5.0
989 sold.
7,994 so'm
Iron Powder Box Iron Chip Box Simulation Magnetic Field Demonstration Equipment Magnetic Induction Line Depictions Experimental Physics Electromagnetics Teaching Instrument
0.0
1,519 sold.
9,405 so'm
Mechanical stop clock 30s0.1s mechanical stop watch second mechanical stop watch physical teaching instrument teaching aids
5.0
294 sold.
282,124 so'm
Factory wholesale liquor alcohol meter 0-70 0-100 degree liquor alcohol concentration meter alcohol meter self-brewing meter
0.0
300 sold.
4,703 so'm
Junior High School Student Power Supply LAborAtory PhysicAl Power Supply 1.5-9V 1.5A Dc RegulAted Power Supply OVerloAd Protection
0.0
150 sold.
272,720 so'm
Friction lifting electric rod J2302 glue rod attached with fur physical Friction electrostatic experimental equipment scientific experiment
5.0
243 sold.
28,213 so'm
Supply wave meter mud hydrometer female American hydrometer sulfur mixture measuring instrument female plum hydrometer
5.0
1,830 sold.
7,054 so'm
Plastic battery box (No. 1 battery) can be connected in series and parallel 04010 Electrical physics experiment equipment teaching instrument
5.0
450 sold.
7,054 so'm
Wholesale large marine aquaculture precision density meter manufacturers seawater measurement hydrometer aquatic salinity meter
5.0
752 sold.
14,107 so'm
29040 insect observation box for primary school science not less than 3 times amplification device
5.0
3,850 sold.
4,703 so'm
Primary and secondary school kindergarten electrical circuit experiment small bulb lit up kit battery box lamp holder switch 2.5V bulb
5.0
2,290 sold.
18,809 so'm
Slotted probe special type anorectal probe anorectal surgery probe drainage device medical teaching equipment
0.0
1,147 sold.
23,511 so'm
Insect level 3 table can be used to fix insect specimens and save a large number of insect specimens in stock factory direct sales
5.0
394 sold.
37,617 so'm
Standard Steel 512Hz teaching tuning fork 22002-type acoustic tuning fork teaching instrument
5.0
4,696 sold.
61,127 so'm
Factory direct sale children insect trap outdoor teaching equipment butterfly spider and other insects tweezers butterfly clip
0.0
1,964 sold.
7,289 so'm
23010 Factory Direct 2351 E10 Lamp Cannon Junior High School Physics Electrical Circuit Experimental Equipment Instrument Small Lamp Holder
5.0
270 sold.
11,756 so'm
23023 simple resistance box 9999Ω physical experiment equipment high school teaching teaching instrument
5.0
936 sold.
103,446 so'm
stainless steel biological insect animal dissection needle teaching biological laboratory teaching instrument specimen dissection needle probe
0.0
0 sold.
3,621 so'm