Manipulate[
BarChart[{b1, b2, b3, b4}, LabelingFunction -> Center,
PlotRange -> {All, {0, 10}}],
Row[{
Control[{{b1, 0, "b1"}, 0, 10, 1, Appearance -> "Labeled"}],
Control[{{b2, 0, "b2"}, 0, 10, 1, Appearance -> "Labeled"}],
Control[{{b3, 0, "b3"}, 0, 10, 1, Appearance -> "Labeled"}],
Control[{{b4, 0, "b4"}, 0, 10, 1, Appearance -> "Labeled"}]
}],
ControlPlacement -> Right, ControlType -> VerticalSlider
]
