An assembly for correcting unbalanced growth plate activity including: (a) an implant formed of wire having (i) a longitudinal central section (2), (ii) a first end (3) configured as a first loop (4) in a form of a first helical coil (9) having a central axis (5) that is transverse to a longitudinal axis of the central section, and (iii) a second end (6) configured as a second loop (7) having a central axis (8) that is transverse to the longitudinal axis of the central section; (b) a first bone screw having a shaft section that is insertable through the first loop; and (c) a second bone screw having a shaft section that is insertable through the second loop. A kit for correcting unbalanced growth plate activity and to a method for correcting unbalanced growth plate activity are also disclosed.