物体沉浮实验盒可完成水的压力、浮力、物体在水中的沉浮条件，浮力的初步应用等实验。供小学学生分组实验用。
J216 Experimental Box for sinking and buoyancy of body
For primary school students in group to carry out experiments on the pressure and buoyancy of water, the condition of sinking and floating of an object in water and the intial application of buoyancy.