"大人 の 科学" is a Japanese study published in the scientific research community fun rolled into popular science magazines, each have a theme, which includes a variety of scientific principles, research and experiment, and comes with full manual assembly of the relevant Projector lamp model, very interesting.Adults, this series is mainly popular science knowledge and introduce + kaleidoscope model for a variety of projection. In fact, I attach most importance to the projection lamp model is strange indeed that there will! For example, steam engine, it will give you really ride a steam engine out, but also to you a part a part up its own assembly. If someone wants to develop their children’s interest in science, I think this should be a very good teaching bar!China supplier:Email : fangzhengcn@hotmail.com Skype ID : chanceller819