High-quality plastic test tube rack 19-hole removable high-quality test tube rack with column 0.00 sold.47,021 so'm
Inoculation box sterilization box iron sterilization box sterile edible fungus biological experiment equipment plant animal teaching instrument 0.00 sold.1,034,454 so'm
Leaf structure model broad bean epidermal cell fence sponge group plant stem structure biological experiment teaching model 0.00 sold.399,676 so'm
Teaching oscilloscope physical experiment equipment teaching instrument teaching oscilloscope 0.00 sold.3,910,288 so'm
Large iron stand laboratory height 40/60/80cm multi-functional thickened national standard full set stainless steel square seat 0.020 sold.26,332 so'm
Manufacturer 22223 Boyi ear law demonstrator Boyi ear Boyi ear experimental device teaching instrument 0.057 sold.329,145 so'm
Single Swing ball Group and bracket junior and senior high school physics experiment bracket handheld single swing ball Group suit mechanical vibration law 0.00 sold.88,399 so'm
Bar magnet for students teaching bar magnet for demonstration magnet teaching aids teaching magnet 0.0500 sold.47,021 so'm
Flat throw sports experiment device accessories copper wire pendant small weight hammer steel ball glass ball glass bead plastic ball 0.025 sold.4,703 so'm
J80159 strobe Observer sports strobe Middle School physics experiment equipment optical experiment teaching instrument 0.06 sold.399,676 so'm
High School physical mechanics instrument experiment demonstration instrument equipment centripetal force tester manual pointer teaching instrument 0.00 sold.1,545,851 so'm
Manufacturer J25016 optical interference diffraction polarization demonstrator high school physics optical experimental equipment 0.02 sold.1,674,672 so'm
Manufacturer 22026 forced vibration and resonance demonstrator swing ball high school physics experiment teaching instrument 0.03 sold.493,717 so'm
Centripetal force tester, manual pointer type physical mechanics experimental equipment 0.00 sold.234,163 so'm
31037 hydraulic transmission model hydraulic jack structure model demonstration instrument high school physics experiment 0.00 sold.517,227 so'm
Centripetal force demonstrator 21072 digital centripetal force experiment verification centripetal force high school physical instrument 0.00 sold.3,753,876 so'm
Longitudinal wave demonstrator box-type wave longitudinal wave transverse wave physical experiment equipment teaching instrument 0.00 sold.1,034,454 so'm
21072 centripetal force demonstrator digital display Middle School high school physics teaching instrument experimental equipment factory direct sale 0.01 sold.2,051,808 so'm
22027 resonance demonstrator spring vibrator motor drive high school physics experiment teaching instrument material manufacturer 0.00 sold.564,248 so'm
23020 resistance law tester metal base physical teaching instrument experimental equipment laboratory supplies 0.00 sold.376,165 so'm
23062 demonstration Bridge physical electrical circuit teaching instrument verification Ohm's law power electromotive force 0.00 sold.564,248 so'm
Photoelectric effect demonstrator with light source and zinc plate physical experiment device physical teaching instrument 0.00 sold.1,331,150 so'm
Magnetic suction electrical teacher demonstration experiment box teacher's junior high school physical circuit teaching aids teacher version demonstrator 0.03 sold.2,565,149 so'm
Forced vibration and resonance demonstrator electric high school physics teaching instrument experimental equipment teaching aids 0.00 sold.1,374,090 so'm
Pendulum resonance demonstrator J2222 physics experiment equipment Single Swing ball Middle School demonstration teaching aids 0.02 sold.371,463 so'm
Flat throw motion tester (with electromagnet) J21066 high school physics flat throw and collision tester 0.029 sold.197,487 so'm
Transparent celestial instrument 32cm celestial body running instrument middle school geography teaching instrument astronomical science teaching aids 0.01 sold.681,799 so'm
New curriculum standard safety electricity teaching board demonstrator simulation demonstration board junior and senior high school physics electrical experiment equipment teaching 0.00 sold.935,710 so'm
Mechanical mechanism model crank rocker double crank double rocker Crank slider cam mechanism mechanics principle experiment 0.00 sold.841,669 so'm
23037 fuse function demonstrator digital display ammeter fuse function demonstrator teaching instrument 0.00 sold.775,840 so'm
Capacitor charging discharge demonstrator X31301 High School Middle School physics experiment electrical instrument physics teaching instrument 0.00 sold.775,840 so'm
Simple harmonic vibration projection demonstrator sine cosine wave projection dynamic pattern law change physical experiment instrument equipment 0.00 sold.874,584 so'm
Mechanical Transmission Model chain/friction/gear/Belt/worm gear worm transmission principle physical mechanics instrument material 0.00 sold.841,669 so'm
Oster experiment demonstrator verifies that there is a magnetic field around the electrified conductor physics teaching instrument for junior and senior high schools 0.02 sold.225,699 so'm
Fluid velocity and pressure relationship demonstrator J21022 junior high school physics experiment equipment teaching instrument 0.02 sold.164,573 so'm
J27033 fruit wine and vinegar fermentation device junior and senior high school biological experiment equipment teaching instrument 0.05 sold.84,638 so'm