QH2134 Centrifugal Railway Model size:41.5*10*50cm Size: 41.5 x 10 x 50cmIt makes demonstration object laboratory apparatus of circular motion in vertical level, It is simple, ocular to demonstration centrifugal function and law  ...

QH2153 Newtons tube size:115*10*10cm material:metal and plastic Size: 115 x 10 x10cmThe tube can demonstrate the state of motion of freely-falling bodies with different mass.  ...

QH2190 Bevel cone material:metal and plastic A fascinating demonstration of center-of-gravity priciple, when places on the diverging bars of the inclined plane, the cone appears to roll up the plane. Upon careful examination,however, students determine that the axis of the cone...

QH2424 Lenz's Law Demonstrator size:18*7*11cm material:plastic Use this simple, economical device,construted of cast iron base and aluminum ring, to demonstrate the induction of an magnetic field. By slowly passing a powerful magnet through one of the metal loops, you cause...

QH163-1 Horseshoe Magnet steel Size: 8 x 6 x 2cm Size: 10 x 5 x 2cm Size: 8 x 6 x 2cmSize: 10 x 5 x 2cm Horseshoe Magnet steel--physical instrument ...

U-shape Magnet steel materil;metal U080:40x50x22x13mmU081:35x55x13.5x10mmU082:80x62x20x10mmU083:89x76x50x18.5mmU084:62x70x51x20mmU085:106x86x33.5x20mmSize: 9 x 7 x 2cm U-shape Magnet...