"Otona no Kagaku(Science for adults) " is a series of scientific kits that will appeal to your intellectual curiosity. You can learn the principals of science by assembling and experimenting yourself. There are 2 different kinds of "Otona no Kagaku" at present.
This is a magazine supplemented by set of plastic parts made for assembly.
You can put the entire mechanism together in under an hour. Articles can be found in the magazine that provide instructions as well as additional information associated with the supplement.
This is a set of plastic parts prepared for assembly, complete with tools and an instruction booklet.
You can make scientific materials in just a few hours.