Hitting training devices having a structural base, a vertical member extending upward from the structural base, a horizontal carriage having a horizontal carriage weight, a ball attached to the horizontal carriage, and a force balancing member arranged and configured to counteract the horizontal carriage weight are disclosed. The hitting training devices may be configured such that the horizontal carriage is attached to the vertical member, the horizontal carriage is configured to move horizontally with respect to the vertical member, the horizontal carriage is configured to move vertically with respect to the vertical member, the circumference of the ball is less than 13 inches, the horizontal carriage has a horizontal carriage range of horizontal motion of at least fourteen inches; and the horizontal carriage has a horizontal carriage range of vertical motion of at least sixteen inches.