Package List
1 x Variable Resistance Box

Characteristics
-Material: Plastic Resistor Substitution Box.
-Size: About 1400X1000X500cm/550X393X197in Physical Variable Resistance Box.
-Color: Black Experiment Variable Resistance Box.
- The resistance is stable and reliable when the resistance box is properly used to rotate each group of knobs Experiment Resistance Box.
- Made by plastic material, and , which could be used for very long time. Physical Resistance Box
- The variable resistance box teaching instrument is suitable and wonderful for school, laboratory use Physical Variable Box 0-9999 Ohm.
- Great instrument for learning physical and electrical experiments, easy to operate Resistance Box.
- It is a selection of professional variable resistance box, which has good stability and high accuracy Physical Tool.

Goods Description
Experiment Tool The teaching variable resistance box is simple and delicate, excellent and reliable, carefully crafted.Physical Tool This variable resistance box is very easy and simple to operate, giving you huge convenience. The variable resistance box can be used for physics electricity experiment