Description:07 43 22 00 Poster " How manipulate the radioactive materials in complete safety ". Puzzle which they make, puzzle is radioactive and in a box with ice. By means of crowbars, hooks, children manipulate the puzzle. The other attraction, the search for uranium. Children sat on the ground play to look for some uranium. Child rises on balance to know his weight in atom. Cycle which makes some electricity, serves for proving the efficiency and the utility of the nuclear energy contrary to the traditional production of electricity, a girl pedals.