Volcanic eruption - the volcano formation. Volcano eruption dynamic presentations: a light-emitting tube dynamic presentation, lava flows; 2 IC control, volcanic eruption, magma ejected; three volcanic eruption of smoke generation and rumbling sounds; 4 volcano... structure and overall environment. Wuhan Star Popular Science Technology Co., Ltd. Main products include: science exhibits, teaching equipment, experimental box, Science and Technology Museum building, children's play equipment, laboratory construction, primary and secondary general education equipment, science museum exhibits, multimedia teaching vocational equipment, Warmly welcome all dealers or professional bodies to cooperate with our company, to develop the market and contribute to science and education.