Are you looking for professional, yet electricity experiment battery box? Are you in search of sturdy, trustworthy tool that can do multiple works at once? , ! Our professional electricity experiment terminal battery box must meet your needs. It is one of the for you. Features - ColorBlue - Material: Plastic. - Size: 8.00X4.00X3.00cm/3.14X1.57X1.18inch. - Made by plastic material, safe and durable, which could be used for very long time. - The terminal battery box teaching instrument is suitable and wonderful for school, laboratory use. - This terminal battery box is very easy and simple to operate, giving you huge convenience. - The terminal battery box tool can be used to tandem and parallel, for physics electricity experiment. - The teaching terminal battery box is simple and delicate, excellent and reliable, carefully crafted. Package list: 4 x plastic battery boxes with terminal