<p>A toy brick is disclosed which comprises a main body; a male connecting portion and a female connecting portion being symmetrically provided at two ends of the main body respectively; the male connecting portion being shaped as a ball and the female connecting portion being shaped as a letter "U" in which one end of the U- shaped female connecting portion is connected to the main body, and the other end thereof has two projections being inwardly bent and an inner side surface that is an arc surface. The toy brock of the invention can enhance the flexible engagement effect when the male connecting portion and the female connecting portion are connected each other. Due to the above structures, the toy brick can prevent the male connecting portion from being separated from the female connecting portion, thereby obtaining a better connecting effect.</p>
