Visitors sit on a chair in front of the rope hand, pull yourself up; loosen the rope, put yourself down, the audience through participation, experience with less force to pull themselves and can find themselves raising the height is always less than The length of the rope, which is called the principle of saving power is not the province. 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.