Primary School Science
This instrument is mainly used for scientific experiments to collect small...
The products are mainly used in exploring a simple machine is composed of a...
The instrument is mainly used for scientific inquiry experiments, so that...
● Composed of the wind speed sensor and the hostpanel with LCD display and...
It consists of specimen holder, butterfly net, net with cover, plastic barrels, ...
● Consists of iron cage, plastic plate. Iron cage: 330*215*310mm, made by...
Composed of base(ABS, ≥φ65mm), round bar steel vertical rod(φ6mm*70mm), convex ...
● Composed of small round hole plate and square hole plate, large round hole...