spacmaker is composed of frame and connector and very easy how to us, furthermore have structural specification which can be expressed to any kind of the structure.

the factory cost is very cheap bases on the price because the frame is the type of the straw and have a strong point to be used freely because the lib of the connector can be bent.

It can be expressed the structures as like the car, airplane, robot, the structures and animals with creative idea.

It cane be understood the mathematics, science easily following the regularities for the middle and result form and also very easy to learn study method.