100g hook code single teaching instrument accessories physical experiment box accessories 0.00 sold.18,809 so'm
20g hook code single teaching instrument accessories physical experiment box accessories 0.04,000 sold.2,493 so'm
20542 Primary School Mathematics lower grade magnetic teaching aids primary school teaching instrument 0.00 sold.470,206 so'm
50g hook code single teaching instrument accessories physical experiment box accessories 0.010,000 sold.3,668 so'm
J22026 forced vibration and resonance demonstrator Yuyao Mengchao teaching instrument 0.00 sold.705,309 so'm
10g hook code single teaching instrument accessories physical experiment box accessories 0.04,000 sold.2,493 so'm
Elementary School junior grade mathematics magnetic teaching aids 20542 elementary school mathematics experiment equipment teaching aids Yuyao Mengchao 0.00 sold.564,248 so'm
Teaching instrument metal hook code 20g 1.7x 1cm 100 a bag of chrome plated direct sales large quantity discount 0.013,600 sold.2,493 so'm
Teaching instrument metal hook code 10G 1.5x 0.8cm 100 a bag of chrome plating direct sales large quantity discount 0.06,000 sold.2,587 so'm
Teaching instrument metal hook code 50g 2.5x 1.2cm physical teaching chrome plating direct sales large quantity discount 0.01,000 sold.3,668 so'm
Teaching instrument metal hook code 100g 3x1.6cm physical teaching chrome plating direct sales large quantity discount 0.00 sold.21,160 so'm
u-shaped connector wire 40cm long two-end u-shaped fork pure copper wire physical electrical circuit experimental equipment 0.00 sold.3,762 so'm
14003 cylinder dynamometer 2.5N5N10N20N30N measuring precision mechanics experiment factory direct sales 0.02,030 sold.22,100 so'm
Airfoil magnetic needle pair J24008 airfoil physical experiment equipment magnetic teaching aids middle school teaching instrument 0.00 sold.21,160 so'm
21076 concave-convex Bridge demonstrator high school physics teaching instrument experimental equipment factory direct sales 0.00 sold.705,309 so'm
22014 wave spring (small) 80mmx80mm steel vibration wave experiment equipment factory direct sales 0.00 sold.145,764 so'm
Small magnetic needle (16 PCs with bracket) J24007 physical experiment equipment magnetism Middle School teaching instrument 0.0785 sold.21,160 so'm
22014 wave spring (small) 80mmx80mm steel vibration wave experiment equipment factory direct sales 0.00 sold.145,764 so'm
22014 wave spring (large) 80mmx120mm steel vibration wave experiment equipment factory direct sales 0.00 sold.188,083 so'm
22014 wave spring a pair of 80mm dense wave spring steel vibration wave experiment equipment 0.00 sold.286,826 so'm
22010 resonance tuning fork 440Hz demonstration wooden speaker Junior High School physical acoustic experiment equipment factory direct sales 0.00 sold.282,124 so'm
Middle school biological slice 23 kinds of biological slice Middle School microscope specimen Middle School biological high quality biological slice 0.00 sold.117,552 so'm
Factory supply 8-piece steel tuning fork gift box packaging teaching 256-512Hz 0.00 sold.634,779 so'm
29012 formation of wind experimental materials primary school science and physics experimental equipment popular science exploration teaching instrument 0.00 sold.42,319 so'm
22003 pronunciation gear junior high school physics instrument mechanics instrument Middle School teaching instrument experimental equipment 0.00 sold.70,531 so'm
Aluminum Alloy 440hz music tuning fork tuning fork suit (including percussion stick) music teaching equipment 0.00 sold.75,233 so'm
Fuse function demonstrator 23037 Middle School physics experiment equipment factory direct sales 0.00 sold.470,206 so'm
Friction meter 21005 junior high school physics experiment friction plate 500mm single friction block two weight holes 0.00 sold.37,617 so'm
Left and right hand rule demonstrator J24017 Electromagnetic Lorentz magnetic demonstration instrument teaching aids 0.00 sold.70,531 so'm
Hand-cranked AC/DC generator J24019 Faraday large generator J24010 2407 high school physics 0.00 sold.282,124 so'm
Demonstration electromagnetic relay J24014 physical experiment equipment learning tools Middle School teaching instrument electromagnetism 0.00 sold.98,744 so'm
DC ammeter level 2.5, 0.6A 3A ammeter J0407 middle school physical and electrical experimental equipment 0.00 sold.65,829 so'm
Ultraviolet effect demonstrator 25101 explores the characteristics of ultraviolet fluorescence, photosensitive and ozone generation. 0.00 sold.587,758 so'm
Current magnetic field demonstrator 24006 electric solenoid square coil round coil physics teaching experiment 0.050 sold.138,711 so'm
Energy conversion demonstrator J24024 conversion of mechanical energy, chemical energy, electric energy, thermal energy and light energy 0.00 sold.352,655 so'm
Light reflection refraction demonstrator foldable total reflection physical optics experimental equipment teaching instrument 0.040 sold.150,466 so'm