中文版

Primary School Science

Inner packs dimension (L*W*H CM): 7*6.5*4It is used in the experiment of...
● Used to study the principle and equilibrium conditions of the lever.● 200g, 1g...
It is a portable design wind speed measuring apparatus, can directly read...
Inner packs dimension (L*W*H CM): 24*11*10
It can detect the air pollution and dust storms.     Electronic timing control, ...
Product dimension (L*W*H CM): 212.*15.5*15.5 Inner packs dimension (L*W*H CM): ...
Product dimension (L*W*H CM): 19.6*17.5*7.1 Inner packs dimension (L*W*H CM): 2...
Product dimension (L*W*H CM): 17*13*5 Inner packs dimension (L*W*H CM): 28*17*6...
Inner packs dimension (L*W*H CM): 25.5*21*10 It is a portable three-cup...